Systematic Differences in Impact across Publication Tracks at PNAS
- Publication Date
- December 01, 2009
- Journal
- PLOS ONE
- Authors
- David G. Rand & Thomas Pfeiffer
- Volume
- 4
- Issue
- 12
- Pages
- e8092
- DOI
- https://dx.plos.org/10.1371/journal.pone.0008092
- Publisher URL
- http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0008092
- PubMed
- http://www.ncbi.nlm.nih.gov/pubmed/19956649
- PubMed Central
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2778996
- Europe PMC
- http://europepmc.org/abstract/MED/19956649
- Web of Science
- 000272828700008
- Scopus
- 77949424234
- Mendeley
- http://www.mendeley.com/research/systematic-differences-impact-across-publication-tracks-pnas
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CiteULike | Further Information
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Mendeley | Further Information
{"title"=>"Systematic differences in impact across publication tracks at PNAS", "type"=>"journal", "authors"=>[{"first_name"=>"David G.", "last_name"=>"Rand", "scopus_author_id"=>"23095594600"}, {"first_name"=>"Thomas", "last_name"=>"Pfeiffer", "scopus_author_id"=>"7005845150"}], "year"=>2009, "source"=>"PLoS ONE", "identifiers"=>{"isbn"=>"1932-6203 (Electronic)\\r1932-6203 (Linking)", "pui"=>"359079907", "issn"=>"19326203", "pmid"=>"19956649", "doi"=>"10.1371/journal.pone.0008092", "sgr"=>"77949424234", "scopus"=>"2-s2.0-77949424234"}, "id"=>"ace77d8a-bd1f-3f15-ba1f-ea09aeeb6676", "abstract"=>"BACKGROUND:Citation data can be used to evaluate the editorial policies and procedures of scientific journals. Here we investigate citation counts for the three different publication tracks of the Proceedings of the National Academy of Sciences of the United States of America (PNAS). This analysis explores the consequences of differences in editor and referee selection, while controlling for the prestige of the journal in which the papers appear.\\n\\nMETHODOLOGY/PRINCIPAL FINDINGS:We find that papers authored and \"Contributed\" by NAS members (Track III) are on average cited less often than papers that are \"Communicated\" for others by NAS members (Track I) or submitted directly via the standard peer review process (Track II). However, we also find that the variance in the citation count of Contributed papers, and to a lesser extent Communicated papers, is larger than for direct submissions. Therefore when examining the 10% most-cited papers from each track, Contributed papers receive the most citations, followed by Communicated papers, while Direct submissions receive the least citations.\\n\\nCONCLUSION/SIGNIFICANCE:Our findings suggest that PNAS \"Contributed\" papers, in which NAS-member authors select their own reviewers, balance an overall lower impact with an increased probability of publishing exceptional papers. This analysis demonstrates that different editorial procedures are associated with different levels of impact, even within the same prominent journal, and raises interesting questions about the most appropriate metrics for judging an editorial policy's success.", "link"=>"http://www.mendeley.com/research/systematic-differences-impact-across-publication-tracks-pnas", "reader_count"=>46, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Professor > Associate Professor"=>3, "Librarian"=>3, "Researcher"=>18, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>8, "Student > Postgraduate"=>1, "Other"=>3, "Student > Master"=>1, "Lecturer > Senior Lecturer"=>3, "Professor"=>2}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Professor > Associate Professor"=>3, "Librarian"=>3, "Researcher"=>18, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>8, "Student > Postgraduate"=>1, "Other"=>3, "Student > Master"=>1, "Lecturer > Senior Lecturer"=>3, "Professor"=>2}, "reader_count_by_subject_area"=>{"Unspecified"=>3, "Agricultural and Biological Sciences"=>15, "Arts and Humanities"=>2, "Business, Management and Accounting"=>1, "Chemistry"=>1, "Computer Science"=>4, "Economics, Econometrics and Finance"=>1, "Biochemistry, Genetics and Molecular Biology"=>1, "Mathematics"=>2, "Medicine and Dentistry"=>2, "Neuroscience"=>2, "Physics and Astronomy"=>3, "Psychology"=>4, "Social Sciences"=>4}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>2}, "Social Sciences"=>{"Social Sciences"=>4}, "Physics and Astronomy"=>{"Physics and Astronomy"=>3}, "Psychology"=>{"Psychology"=>4}, "Mathematics"=>{"Mathematics"=>2}, "Unspecified"=>{"Unspecified"=>3}, "Arts and Humanities"=>{"Arts and Humanities"=>2}, "Chemistry"=>{"Chemistry"=>1}, "Neuroscience"=>{"Neuroscience"=>2}, "Economics, Econometrics and Finance"=>{"Economics, Econometrics and Finance"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>15}, "Computer Science"=>{"Computer Science"=>4}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>1}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}}, "reader_count_by_country"=>{"Canada"=>2, "Netherlands"=>2, "United States"=>5, "Norway"=>1, "Finland"=>1, "United Kingdom"=>2, "France"=>1, "Switzerland"=>1, "Germany"=>4}, "group_count"=>1}Scopus | Further Information
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- {"id"=>"265650246091169792", "text"=>"PNASはContributionってのに注意か。知らんかった。 \nhttp://t.co/7yemFgNH\n http://t.co/mFuHRnXC", "created_at"=>"2012-11-06T03:02:08Z", "user"=>"mkatolithos", "user_name"=>"Mamoru Kato", "user_profile_image"=>"http://a0.twimg.com/profile_images/1908649656/a_normal.gif"}
- {"id"=>"265655463012614145", "text"=>"RT @mkatolithos: PNASはContributionってのに注意か。知らんかった。 \nhttp://t.co/7yemFgNH\n http://t.co/mFuHRnXC", "created_at"=>"2012-11-06T03:22:52Z", "user"=>"geoign", "user_name"=>"F. Ikgm", "user_profile_image"=>"http://a0.twimg.com/profile_images/296904767/connectedworld1_normal.png"}
- {"id"=>"403353422830645248", "text"=>"PNAS “Contributed” papers show increased probability of publishing exceptional papers.http://t.co/q8ReoIDknt", "created_at"=>"2013-11-21T02:45:24Z", "user"=>"GuyHorev", "user_name"=>"Guy Horev", "user_profile_image"=>"http://pbs.twimg.com/profile_images/2203379426/GuyHorev__577x640___577x640__normal.jpg"}
- {"id"=>"405409216979943424", "text"=>"@ZombieAntGuy @edyong209 This paper suggests 'contributed' papers at PNAS have lower mean, higher variance, citations\nhttp://t.co/tYFi4g6PzG", "created_at"=>"2013-11-26T18:54:24Z", "user"=>"Ben_Sheldon_EGI", "user_name"=>"Ben Sheldon", "user_profile_image"=>"http://pbs.twimg.com/profile_images/378800000433251108/cc205850c8ba60bcaff445b1b6218030_normal.jpeg"}
- {"id"=>"405447746745663491", "text"=>"#PLOSONE: Systematic Differences in Impact across Publication Tracks at PNAS http://t.co/5LWDR1AlXn", "created_at"=>"2013-11-26T21:27:30Z", "user"=>"jonesor", "user_name"=>"Owen Jones", "user_profile_image"=>"http://pbs.twimg.com/profile_images/1869137397/temp1330769631strip20120303-16188-1h7zllo_normal"}
- {"id"=>"405475288848400384", "text"=>"RT @jonesor: #PLOSONE: Systematic Differences in Impact across Publication Tracks at PNAS http://t.co/5LWDR1AlXn", "created_at"=>"2013-11-26T23:16:56Z", "user"=>"WildaboutBrum", "user_name"=>"Jonathan Sadler", "user_profile_image"=>"http://pbs.twimg.com/profile_images/1370825127/Goldcrest__Regulus_regulus__-_Demoiselle_Glade_normal.jpg"}
- {"id"=>"405660259030929408", "text"=>"@gamesevolving @ericmjohnson @john_s_wilkins might be interested in this paper comparing impact across PNAS tracks http://t.co/dKHGmvzszn", "created_at"=>"2013-11-27T11:31:57Z", "user"=>"David_G_Rand", "user_name"=>"David Gertler Rand", "user_profile_image"=>"http://pbs.twimg.com/profile_images/2297489777/dave_rand2_cropped_normal.jpg"}
- {"id"=>"405662955842179072", "text"=>"@ZombieAntGuy @edyong209 FWIW bibliometrics=> Contributed papers worse on average, but more likely to be exceptional http://t.co/f3JUL6dp5F", "created_at"=>"2013-11-27T11:42:40Z", "user"=>"David_G_Rand", "user_name"=>"David Gertler Rand", "user_profile_image"=>"http://pbs.twimg.com/profile_images/2297489777/dave_rand2_cropped_normal.jpg"}
- {"id"=>"479489310970761216", "text"=>"@edyong209 @gamesevolving @paldhous also see http://t.co/7kjs9vU8Sw", "created_at"=>"2014-06-19T05:02:14Z", "user"=>"EvolSci", "user_name"=>"Philipp Altrock", "user_profile_image"=>"http://pbs.twimg.com/profile_images/378800000773103002/8c71b395a9ddfc7f714670156726d07c_normal.jpeg"}
- {"id"=>"479962359445078016", "text"=>"And here is my 2011 paper \"Systematic Differences in Impact across Publication Tracks at PNAS\" that this builds off http://t.co/B6XQA7r4A6", "created_at"=>"2014-06-20T12:21:58Z", "user"=>"David_G_Rand", "user_name"=>"David G. Rand", "user_profile_image"=>"http://pbs.twimg.com/profile_images/475806607331184640/VeywWNM2_normal.jpeg"}
- {"id"=>"479962700244865024", "text"=>"And heres my paper \"Systematic Differences in Impact across Publication Tracks at PNAS\" this new analysis builds on http://t.co/B6XQA7r4A6", "created_at"=>"2014-06-20T12:23:19Z", "user"=>"David_G_Rand", "user_name"=>"David G. Rand", "user_profile_image"=>"http://pbs.twimg.com/profile_images/475806607331184640/VeywWNM2_normal.jpeg"}
- {"id"=>"479971618476015616", "text"=>"MT @David_G_Rand My paper \"Systematic Differences in Impact across Tracks at PNAS\" that the recent analysis builds on http://t.co/7VaFmRUDRO", "created_at"=>"2014-06-20T12:58:45Z", "user"=>"jugander", "user_name"=>"Johan Ugander", "user_profile_image"=>"http://pbs.twimg.com/profile_images/378800000821584026/cac3618185f46d515bb064fb08400f4e_normal.png"}
- {"id"=>"497015686099517440", "text"=>"@ericmjohnson @HollyDunsworth \"contributed\" track for submission allows academy members to get their own reviewers http://t.co/X0mZ8pgsyl", "created_at"=>"2014-08-06T13:45:48Z", "user"=>"Lewis_Lab", "user_name"=>"Lewis Structures", "user_profile_image"=>"http://pbs.twimg.com/profile_images/451147150232010752/LB4f5APp_normal.jpeg"}
- {"id"=>"515202319362064385", "text"=>"the science of the contributed submission @NikolaiAdamski @KamounLab http://t.co/OfbuRJVWw8", "created_at"=>"2014-09-25T18:12:59Z", "user"=>"popupcamptrout", "user_name"=>"sam mugford", "user_profile_image"=>"http://pbs.twimg.com/profile_images/1249099307/profile_normal.jpg"}
- {"id"=>"515202406838042626", "text"=>"RT @popupcamptrout: the science of the contributed submission @NikolaiAdamski @KamounLab http://t.co/OfbuRJVWw8", "created_at"=>"2014-09-25T18:13:20Z", "user"=>"KamounLab", "user_name"=>"Sophien Kamoun", "user_profile_image"=>"http://pbs.twimg.com/profile_images/456793334954995712/pbkCp1au_normal.jpeg"}
- {"id"=>"515202559548858368", "text"=>"RT @popupcamptrout: the science of the contributed submission @NikolaiAdamski @KamounLab http://t.co/OfbuRJVWw8", "created_at"=>"2014-09-25T18:13:56Z", "user"=>"NikolaiAdamski", "user_name"=>"Nikolai Adamski", "user_profile_image"=>"http://pbs.twimg.com/profile_images/2228963893/Nikolai_1_normal.jpg"}
- {"id"=>"515204448575320065", "text"=>"RT @popupcamptrout: the science of the contributed submission @NikolaiAdamski @KamounLab http://t.co/OfbuRJVWw8", "created_at"=>"2014-09-25T18:21:27Z", "user"=>"yara_elena", "user_name"=>"Yara Sanchez", "user_profile_image"=>"http://pbs.twimg.com/profile_images/439172286076026880/Mpz4yPQ6_normal.jpeg"}
- {"id"=>"515206316890279936", "text"=>"RT @popupcamptrout: the science of the contributed submission @NikolaiAdamski @KamounLab http://t.co/OfbuRJVWw8", "created_at"=>"2014-09-25T18:28:52Z", "user"=>"PierreMarcDelau", "user_name"=>"PMDelaux", "user_profile_image"=>"http://pbs.twimg.com/profile_images/484123633611075587/-daXVKho_normal.jpeg"}
- {"id"=>"688425915433504768", "text"=>"@betsylevyp But the 10% most cited are cited MORE than 10% most cited Direct submissions! https://t.co/rFS9qxYfdL", "created_at"=>"2016-01-16T18:21:43Z", "user"=>"David_G_Rand", "user_name"=>"David G. Rand", "user_profile_image"=>"http://pbs.twimg.com/profile_images/479962897540341761/it81_jUR_normal.jpeg"}
- {"id"=>"688432043756261376", "text"=>"RT @David_G_Rand: @betsylevyp But the 10% most cited are cited MORE than 10% most cited Direct submissions! https://t.co/rFS9qxYfdL", "created_at"=>"2016-01-16T18:46:04Z", "user"=>"betsylevyp", "user_name"=>"Betsy Levy Paluck", "user_profile_image"=>"http://pbs.twimg.com/profile_images/2543825930/i0fx3iphkav2smcsltvx_normal.jpeg"}
- {"id"=>"745464841767256066", "text"=>"@RELenski @bmaher @notSoJunkDNA @theNASciences @AdamRutherford @edyong209\nTwo studies: \n\nhttps://t.co/rAeVeCHD4W\n\nhttps://t.co/PEFVigN457", "created_at"=>"2016-06-22T03:54:03Z", "user"=>"CT_Bergstrom", "user_name"=>"Carl T. Bergstrom", "user_profile_image"=>"http://pbs.twimg.com/profile_images/607395387972804608/gRUe9qWu_normal.jpg"}
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- {"month"=>"4", "year"=>"2013", "pdf_views"=>"17", "xml_views"=>"0", "html_views"=>"330"}
- {"month"=>"5", "year"=>"2013", "pdf_views"=>"13", "xml_views"=>"0", "html_views"=>"249"}
- {"month"=>"6", "year"=>"2013", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"280"}
- {"month"=>"7", "year"=>"2013", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"252"}
- {"month"=>"8", "year"=>"2013", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"174"}
- {"month"=>"9", "year"=>"2013", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"164"}
- {"month"=>"10", "year"=>"2013", "pdf_views"=>"3", "xml_views"=>"1", "html_views"=>"181"}
- {"month"=>"11", "year"=>"2013", "pdf_views"=>"16", "xml_views"=>"3", "html_views"=>"258"}
- {"month"=>"12", "year"=>"2013", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"216"}
- {"month"=>"1", "year"=>"2014", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"134"}
- {"month"=>"2", "year"=>"2014", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"152"}
- {"month"=>"3", "year"=>"2014", "pdf_views"=>"3", "xml_views"=>"3", "html_views"=>"176"}
- {"month"=>"4", "year"=>"2014", "pdf_views"=>"6", "xml_views"=>"1", "html_views"=>"155"}
- {"month"=>"5", "year"=>"2014", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"148"}
- {"month"=>"6", "year"=>"2014", "pdf_views"=>"7", "xml_views"=>"1", "html_views"=>"465"}
- {"month"=>"7", "year"=>"2014", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"167"}
- {"month"=>"8", "year"=>"2014", "pdf_views"=>"2", "xml_views"=>"2", "html_views"=>"137"}
- {"month"=>"9", "year"=>"2014", "pdf_views"=>"10", "xml_views"=>"1", "html_views"=>"172"}
- {"month"=>"10", "year"=>"2014", "pdf_views"=>"8", "xml_views"=>"1", "html_views"=>"143"}
- {"month"=>"11", "year"=>"2014", "pdf_views"=>"6", "xml_views"=>"3", "html_views"=>"108"}
- {"month"=>"12", "year"=>"2014", "pdf_views"=>"7", "xml_views"=>"3", "html_views"=>"83"}
- {"month"=>"1", "year"=>"2015", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"64"}
- {"month"=>"2", "year"=>"2015", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"70"}
- {"month"=>"3", "year"=>"2015", "pdf_views"=>"0", "xml_views"=>"0", "html_views"=>"78"}
- {"month"=>"4", "year"=>"2015", "pdf_views"=>"8", "xml_views"=>"1", "html_views"=>"142"}
- {"month"=>"5", "year"=>"2015", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"80"}
- {"month"=>"6", "year"=>"2015", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"63"}
- {"month"=>"7", "year"=>"2015", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"66"}
- {"month"=>"8", "year"=>"2015", "pdf_views"=>"10", "xml_views"=>"2", "html_views"=>"59"}
- {"month"=>"9", "year"=>"2015", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"62"}
- {"month"=>"10", "year"=>"2015", "pdf_views"=>"16", "xml_views"=>"0", "html_views"=>"76"}
- {"month"=>"11", "year"=>"2015", "pdf_views"=>"19", "xml_views"=>"0", "html_views"=>"109"}
- {"month"=>"12", "year"=>"2015", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"175"}
- {"month"=>"1", "year"=>"2016", "pdf_views"=>"13", "xml_views"=>"0", "html_views"=>"133"}
- {"month"=>"2", "year"=>"2016", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"63"}
- {"month"=>"3", "year"=>"2016", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"68"}
- {"month"=>"4", "year"=>"2016", "pdf_views"=>"2", "xml_views"=>"0", "html_views"=>"83"}
- {"month"=>"5", "year"=>"2016", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"103"}
- {"month"=>"6", "year"=>"2016", "pdf_views"=>"0", "xml_views"=>"0", "html_views"=>"113"}
- {"month"=>"7", "year"=>"2016", "pdf_views"=>"2", "xml_views"=>"0", "html_views"=>"75"}
- {"month"=>"8", "year"=>"2016", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"50"}
- {"month"=>"9", "year"=>"2016", "pdf_views"=>"11", "xml_views"=>"0", "html_views"=>"104"}
- {"month"=>"10", "year"=>"2016", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"159"}
- {"month"=>"11", "year"=>"2016", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"168"}
- {"month"=>"12", "year"=>"2016", "pdf_views"=>"2", "xml_views"=>"0", "html_views"=>"131"}
- {"month"=>"1", "year"=>"2017", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"116"}
- {"month"=>"2", "year"=>"2017", "pdf_views"=>"4", "xml_views"=>"1", "html_views"=>"115"}
- {"month"=>"3", "year"=>"2017", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"128"}
- {"month"=>"4", "year"=>"2017", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"129"}
- {"month"=>"5", "year"=>"2017", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"134"}
- {"month"=>"6", "year"=>"2017", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"140"}
- {"month"=>"7", "year"=>"2017", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"110"}
- {"month"=>"8", "year"=>"2017", "pdf_views"=>"4", "xml_views"=>"1", "html_views"=>"110"}
- {"month"=>"9", "year"=>"2017", "pdf_views"=>"5", "xml_views"=>"2", "html_views"=>"102"}
- {"month"=>"10", "year"=>"2017", "pdf_views"=>"2", "xml_views"=>"2", "html_views"=>"131"}
- {"month"=>"11", "year"=>"2017", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"113"}
- {"month"=>"12", "year"=>"2017", "pdf_views"=>"1", "xml_views"=>"1", "html_views"=>"76"}
- {"month"=>"1", "year"=>"2018", "pdf_views"=>"10", "xml_views"=>"4", "html_views"=>"58"}
- {"month"=>"2", "year"=>"2018", "pdf_views"=>"7", "xml_views"=>"3", "html_views"=>"23"}
- {"month"=>"3", "year"=>"2018", "pdf_views"=>"3", "xml_views"=>"1", "html_views"=>"18"}
- {"month"=>"4", "year"=>"2018", "pdf_views"=>"2", "xml_views"=>"0", "html_views"=>"16"}
- {"month"=>"5", "year"=>"2018", "pdf_views"=>"6", "xml_views"=>"5", "html_views"=>"21"}
- {"month"=>"6", "year"=>"2018", "pdf_views"=>"9", "xml_views"=>"6", "html_views"=>"22"}
- {"month"=>"7", "year"=>"2018", "pdf_views"=>"11", "xml_views"=>"7", "html_views"=>"17"}
- {"month"=>"8", "year"=>"2018", "pdf_views"=>"8", "xml_views"=>"5", "html_views"=>"19"}
- {"month"=>"9", "year"=>"2018", "pdf_views"=>"5", "xml_views"=>"1", "html_views"=>"8"}
- {"month"=>"10", "year"=>"2018", "pdf_views"=>"4", "xml_views"=>"1", "html_views"=>"9"}
- {"month"=>"11", "year"=>"2018", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"18"}
- {"month"=>"12", "year"=>"2018", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"15"}
- {"month"=>"1", "year"=>"2019", "pdf_views"=>"2", "xml_views"=>"0", "html_views"=>"19"}
- {"month"=>"2", "year"=>"2019", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"14"}
- {"month"=>"3", "year"=>"2019", "pdf_views"=>"12", "xml_views"=>"4", "html_views"=>"15"}
- {"month"=>"4", "year"=>"2019", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"121"}
- {"month"=>"5", "year"=>"2019", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"21"}
- {"month"=>"6", "year"=>"2019", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"17"}
- {"month"=>"7", "year"=>"2019", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"17"}
- {"month"=>"8", "year"=>"2019", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"11"}
- {"month"=>"9", "year"=>"2019", "pdf_views"=>"5", "xml_views"=>"2", "html_views"=>"13"}
- {"month"=>"10", "year"=>"2019", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"52"}
- {"month"=>"11", "year"=>"2019", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"14"}
- {"month"=>"12", "year"=>"2019", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"28"}
- {"month"=>"1", "year"=>"2020", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"20"}
- {"month"=>"2", "year"=>"2020", "pdf_views"=>"10", "xml_views"=>"3", "html_views"=>"20"}
- {"month"=>"3", "year"=>"2020", "pdf_views"=>"9", "xml_views"=>"1", "html_views"=>"15"}
- {"month"=>"4", "year"=>"2020", "pdf_views"=>"185", "xml_views"=>"2", "html_views"=>"52"}
- {"month"=>"5", "year"=>"2020", "pdf_views"=>"138", "xml_views"=>"2", "html_views"=>"9"}
- {"month"=>"6", "year"=>"2020", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"111"}
- {"month"=>"7", "year"=>"2020", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"30"}
- {"month"=>"8", "year"=>"2020", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"19"}
- {"month"=>"9", "year"=>"2020", "pdf_views"=>"13", "xml_views"=>"1", "html_views"=>"21"}
- {"month"=>"10", "year"=>"2020", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"6"}
- {"month"=>"11", "year"=>"2020", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"7"}
- {"month"=>"12", "year"=>"2020", "pdf_views"=>"7", "xml_views"=>"1", "html_views"=>"5"}
- {"month"=>"1", "year"=>"2021", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"22"}
- {"month"=>"2", "year"=>"2021", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"10"}
PMC Usage Stats | Further Information
- {"scanned-page-browse"=>"0", "month"=>"1", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"14", "unique-ip"=>"20", "pdf"=>"11", "year"=>"2010", "figure"=>"3", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"2", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"14", "year"=>"2010", "pdf"=>"1", "unique-ip"=>"13", "figure"=>"2", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"3", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"17", "unique-ip"=>"20", "pdf"=>"10", "year"=>"2010", "figure"=>"7", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"4", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"9", "year"=>"2010", "pdf"=>"1", "unique-ip"=>"6", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"5", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"13", "unique-ip"=>"12", "pdf"=>"2", "year"=>"2010", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"6", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"9", "year"=>"2010", "pdf"=>"2", "unique-ip"=>"10", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"7", "cited-by"=>"0", "abstract"=>"2", "full-text"=>"3", "unique-ip"=>"6", "pdf"=>"2", "year"=>"2010", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"8", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"3", "year"=>"2010", "pdf"=>"1", "unique-ip"=>"4", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"9", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"8", "unique-ip"=>"12", "pdf"=>"3", "year"=>"2010", "figure"=>"3", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"10", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"2", "full-text"=>"3", "year"=>"2010", "pdf"=>"1", "unique-ip"=>"6", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"11", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"6", "unique-ip"=>"7", "pdf"=>"1", "year"=>"2010", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"12", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"2", "full-text"=>"5", "year"=>"2010", "pdf"=>"6", "unique-ip"=>"10", "figure"=>"4", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"1", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"7", "unique-ip"=>"6", "pdf"=>"0", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"2", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"8", "year"=>"2011", "pdf"=>"2", "unique-ip"=>"10", "figure"=>"2", "scanned-summary"=>"0", "supp-data"=>"1"}
- {"scanned-page-browse"=>"0", "month"=>"3", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"7", "unique-ip"=>"7", "pdf"=>"1", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"4", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"6", "year"=>"2011", "pdf"=>"4", "unique-ip"=>"8", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"5", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"2", "unique-ip"=>"2", "pdf"=>"0", "year"=>"2011", "figure"=>"3", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"6", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"7", "year"=>"2011", "pdf"=>"6", "unique-ip"=>"11", "figure"=>"2", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"7", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"5", "unique-ip"=>"5", "pdf"=>"2", "year"=>"2011", "figure"=>"4", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"8", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"7", "year"=>"2011", "pdf"=>"0", "unique-ip"=>"6", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"9", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"7", "unique-ip"=>"8", "pdf"=>"2", "year"=>"2011", "figure"=>"6", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"10", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"3", "year"=>"2011", "pdf"=>"0", "unique-ip"=>"3", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"11", "cited-by"=>"0", "abstract"=>"2", "full-text"=>"6", "unique-ip"=>"8", "pdf"=>"0", "year"=>"2011", "figure"=>"3", "scanned-summary"=>"0", "supp-data"=>"1"}
- {"month"=>"12", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"4", "year"=>"2011", "pdf"=>"1", "unique-ip"=>"4", "figure"=>"2", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"2", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"2", "unique-ip"=>"3", "pdf"=>"0", "year"=>"2012", "figure"=>"2", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"3", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"5", "year"=>"2012", "pdf"=>"0", "unique-ip"=>"5", "figure"=>"3", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"4", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"2", "unique-ip"=>"3", "pdf"=>"1", "year"=>"2012", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"5", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"6", "year"=>"2012", "pdf"=>"2", "unique-ip"=>"6", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"12", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"27", "unique-ip"=>"27", "pdf"=>"7", "year"=>"2009", "figure"=>"2", "scanned-summary"=>"0", "supp-data"=>"1"}
- {"month"=>"6", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"5", "year"=>"2012", "pdf"=>"0", "unique-ip"=>"5", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"1"}
- {"unique-ip"=>"4", "full-text"=>"5", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"7"}
- {"unique-ip"=>"3", "full-text"=>"2", "pdf"=>"0", "abstract"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"8"}
- {"unique-ip"=>"3", "full-text"=>"4", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"9"}
- {"unique-ip"=>"7", "full-text"=>"8", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"10"}
- {"unique-ip"=>"4", "full-text"=>"5", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"2", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"12"}
- {"unique-ip"=>"4", "full-text"=>"5", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"1"}
- {"unique-ip"=>"2", "full-text"=>"2", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"3"}
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Relative Metric
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