The Effects of Aging on Researchers' Publication and Citation Patterns
- Publication Date
- December 29, 2008
- Journal
- PLOS ONE
- Authors
- Yves Gingras, Vincent Larivière, Benoît Macaluso & Jean Pierre Robitaille
- Volume
- 3
- Issue
- 12
- Pages
- e4048
- DOI
- https://dx.plos.org/10.1371/journal.pone.0004048
- Publisher URL
- http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0004048
- PubMed
- http://www.ncbi.nlm.nih.gov/pubmed/19112502
- PubMed Central
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2603321
- Europe PMC
- http://europepmc.org/abstract/MED/19112502
- Web of Science
- 000265466000012
- Scopus
- 58149177148
- Mendeley
- http://www.mendeley.com/research/effects-aging-researchers-publication-citation-patterns
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CiteULike | Further Information
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Mendeley | Further Information
{"title"=>"The effects of aging on researchers' publication and citation patterns", "type"=>"journal", "authors"=>[{"first_name"=>"Yves", "last_name"=>"Gingras", "scopus_author_id"=>"6602494616"}, {"first_name"=>"Vincent", "last_name"=>"Larivière", "scopus_author_id"=>"14028805600"}, {"first_name"=>"Benoît", "last_name"=>"Macaluso", "scopus_author_id"=>"25932279000"}, {"first_name"=>"Jean Pierre", "last_name"=>"Robitaille", "scopus_author_id"=>"6701529071"}], "year"=>2008, "source"=>"PLoS ONE", "identifiers"=>{"scopus"=>"2-s2.0-58149177148", "doi"=>"10.1371/journal.pone.0004048", "sgr"=>"58149177148", "isbn"=>"1932-6203", "pmid"=>"19112502", "issn"=>"19326203", "pui"=>"354030413"}, "id"=>"a3754f69-0662-30ac-ab89-72717d43c976", "abstract"=>"The average age at which U.S. researchers receive their first grant from NIH has increased from 34.3 in 1970, to 41.7 in 2004. These data raise the crucial question of the effects of aging on the scientific productivity and impact of researchers. Drawing on a sizeable sample of 6,388 university professors in Quebec who have published at least one paper between 2000 and 2007, our results identify two turning points in the professors' careers. A first turning point is visible at age 40 years, where researchers start to rely on older literature and where their productivity increases at a slower pace--after having increased sharply since the beginning of their career. A second turning point can be seen around age 50, when researchers are the most productive whereas their average scientific impact is at its lowest. Our results also show that older professors publish fewer first-authored papers and move closer to the end of the list of co-authors. Although average scientific impact per paper decreases linearly until about age 50, the average number of papers in highly cited journals and among highly cited papers rises continuously until retirement. Our results show clearly that productivity and impact are not a simple and declining function of age and that we must take into account the collaborative aspects of scientific research. Science is a collective endeavor and, as our data shows, researchers of all ages play a significant role in its dynamic.", "link"=>"http://www.mendeley.com/research/effects-aging-researchers-publication-citation-patterns", "reader_count"=>109, "reader_count_by_academic_status"=>{"Unspecified"=>2, "Professor > Associate Professor"=>3, "Librarian"=>9, "Researcher"=>34, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>18, "Student > Postgraduate"=>4, "Student > Master"=>13, "Other"=>8, "Student > Bachelor"=>2, "Lecturer"=>2, "Professor"=>12}, "reader_count_by_user_role"=>{"Unspecified"=>2, "Professor > Associate Professor"=>3, "Librarian"=>9, "Researcher"=>34, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>18, "Student > Postgraduate"=>4, "Student > Master"=>13, "Other"=>8, "Student > Bachelor"=>2, "Lecturer"=>2, "Professor"=>12}, "reader_count_by_subject_area"=>{"Unspecified"=>9, "Agricultural and Biological Sciences"=>16, "Arts and Humanities"=>3, "Business, Management and Accounting"=>13, "Chemistry"=>1, "Computer Science"=>16, "Earth and Planetary Sciences"=>6, "Economics, Econometrics and Finance"=>2, "Environmental Science"=>2, "Biochemistry, Genetics and Molecular Biology"=>2, "Nursing and Health Professions"=>1, "Mathematics"=>1, "Medicine and Dentistry"=>7, "Physics and Astronomy"=>2, "Psychology"=>4, "Social Sciences"=>22, "Immunology and Microbiology"=>2}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>7}, "Social Sciences"=>{"Social Sciences"=>22}, "Physics and Astronomy"=>{"Physics and Astronomy"=>2}, "Psychology"=>{"Psychology"=>4}, "Mathematics"=>{"Mathematics"=>1}, "Unspecified"=>{"Unspecified"=>9}, "Environmental Science"=>{"Environmental Science"=>2}, "Arts and Humanities"=>{"Arts and Humanities"=>3}, "Chemistry"=>{"Chemistry"=>1}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>6}, "Economics, Econometrics and Finance"=>{"Economics, Econometrics and Finance"=>2}, "Immunology and Microbiology"=>{"Immunology and Microbiology"=>2}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>16}, "Computer Science"=>{"Computer Science"=>16}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>13}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>1}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>2}}, "reader_count_by_country"=>{"Romania"=>1, "United States"=>3, "Uruguay"=>1, "Tanzania"=>1, "United Kingdom"=>3, "Malaysia"=>2, "Spain"=>1, "Canada"=>1, "Venezuela"=>1, "Netherlands"=>3, "Belgium"=>1, "France"=>2, "Australia"=>1}, "group_count"=>6}CrossRef
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Scopus | Further Information
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- {"id"=>"347007480922005504", "text"=>"According to \"The Effects of Aging on Researchers' Publication and ..\" I am at a turning point in my career! http://t.co/sfLlJqFkxQ", "created_at"=>"2013-06-18T15:06:45Z", "user"=>"svalver", "user_name"=>"Sergi Valverde", "user_profile_image"=>"http://a0.twimg.com/profile_images/3015559431/02e46824b44a2f3ee50db56bfeb1dc62_normal.jpeg"}
- {"id"=>"347011096365912065", "text"=>"Cool paper! Now to wait until I too become professor... :)\nMT @svalver I am at a turning point in my career! http://t.co/PB5hTOlXSs", "created_at"=>"2013-06-18T15:21:07Z", "user"=>"nicolasperony", "user_name"=>"Nicolas Perony", "user_profile_image"=>"http://a0.twimg.com/profile_images/2167562632/profile_normal.jpg"}
- {"id"=>"347482261010145280", "text"=>"The Effects of Aging on Researchers' Publication & Citation Patterns @PLOSONE http://t.co/2fuGKkApV5 Turning points", "created_at"=>"2013-06-19T22:33:21Z", "user"=>"Keith_Laws", "user_name"=>"Keith R Laws", "user_profile_image"=>"http://a0.twimg.com/profile_images/3338516269/0a3f633c7702d6e7a70fd6f1482e9e1a_normal.jpeg"}
- {"id"=>"347485976056188929", "text"=>"Professors peak at 50, check this chart http://t.co/RmiThJDaJm for more info see http://t.co/knFtckioKC", "created_at"=>"2013-06-19T22:48:07Z", "user"=>"cesifoti", "user_name"=>"Cesar A. Hidalgo", "user_profile_image"=>"http://a0.twimg.com/profile_images/3040227504/68ce6bf67fc69e8e101b0eb2337be47d_normal.png"}
- {"id"=>"347487636342050817", "text"=>"RT @cesifoti: Professors peak at 50, check this chart http://t.co/RmiThJDaJm for more info see http://t.co/knFtckioKC", "created_at"=>"2013-06-19T22:54:43Z", "user"=>"InesMergel", "user_name"=>"Ines Mergel", "user_profile_image"=>"http://a0.twimg.com/profile_images/3340007337/3e6d37193178a0cdcd3599554cdc9d43_normal.png"}
- {"id"=>"347488729767768064", "text"=>"The Effects of Aging on Researchers' Publication and Citation Patterns #PLOSONE http://t.co/bXxrOF3ewy", "created_at"=>"2013-06-19T22:59:03Z", "user"=>"marcohbello", "user_name"=>"Marco Bello", "user_profile_image"=>"http://a0.twimg.com/profile_images/3620052880/5f50dee493f975bade3aaea92e54dea4_normal.jpeg"}
- {"id"=>"347489087059537920", "text"=>"RT @cesifoti: Professors peak at 50, check this chart http://t.co/RmiThJDaJm for more info see http://t.co/knFtckioKC", "created_at"=>"2013-06-19T23:00:29Z", "user"=>"doctorerre", "user_name"=>"Dr. R", "user_profile_image"=>"http://a0.twimg.com/profile_images/1175244424/schroeder_normal.gif"}
- {"id"=>"347497994104471553", "text"=>"RT @cesifoti: Professors peak at 50, check this chart http://t.co/RmiThJDaJm for more info see http://t.co/knFtckioKC", "created_at"=>"2013-06-19T23:35:52Z", "user"=>"networkjaehee", "user_name"=>"Jaehee Park", "user_profile_image"=>"http://a0.twimg.com/profile_images/3767746946/adfa2a777d323979803e32a322215668_normal.jpeg"}
- {"id"=>"347504747181383681", "text"=>"RT @cesifoti: Professors peak at 50, check this chart http://t.co/RmiThJDaJm for more info see http://t.co/knFtckioKC", "created_at"=>"2013-06-20T00:02:42Z", "user"=>"RMSeals", "user_name"=>"Ryan Seals", "user_profile_image"=>"http://a0.twimg.com/profile_images/1670545948/seals_normal.jpg"}
- {"id"=>"347508528963006464", "text"=>"RT @cesifoti: Professors peak at 50, check this chart http://t.co/RmiThJDaJm for more info see http://t.co/knFtckioKC", "created_at"=>"2013-06-20T00:17:44Z", "user"=>"denisparra", "user_name"=>"denisparra", "user_profile_image"=>"http://a0.twimg.com/profile_images/3150064833/355871ecf6555b8de309174fd34415df_normal.jpeg"}
- {"id"=>"347521572254384128", "text"=>"RT @cesifoti: Professors peak at 50, check this chart http://t.co/RmiThJDaJm for more info see http://t.co/knFtckioKC", "created_at"=>"2013-06-20T01:09:34Z", "user"=>"ossimokryn", "user_name"=>"Ossi Mokryn", "user_profile_image"=>"http://a0.twimg.com/profile_images/2158597776/OssiAvatar_normal.jpg"}
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- {"id"=>"347596747985534976", "text"=>"Association of ageing with publication and citation rates in US researchers http://t.co/R3nhMTPNhP HT @Keith_Laws @PLOSONE", "created_at"=>"2013-06-20T06:08:17Z", "user"=>"SamJNorton", "user_name"=>"Sam Norton", "user_profile_image"=>"http://a0.twimg.com/profile_images/777615113/profile_normal.jpg"}
- {"id"=>"347608228865130496", "text"=>"RT @cesifoti: Professors peak at 50, check this chart http://t.co/RmiThJDaJm for more info see http://t.co/knFtckioKC", "created_at"=>"2013-06-20T06:53:54Z", "user"=>"GastonHeimeriks", "user_name"=>"Gaston Heimeriks", "user_profile_image"=>"http://a0.twimg.com/profile_images/2548541764/7fz38pr7bm4vzui9iv0h_normal.jpeg"}
- {"id"=>"347841068781404162", "text"=>"RT @cesifoti: Professors peak at 50, check this chart http://t.co/RmiThJDaJm for more info see http://t.co/knFtckioKC", "created_at"=>"2013-06-20T22:19:08Z", "user"=>"Fcorowe", "user_name"=>"Francisco", "user_profile_image"=>"http://a0.twimg.com/sticky/default_profile_images/default_profile_5_normal.png"}
- {"id"=>"349209232878477312", "text"=>"#PLOSONE: The Effects of Aging on Researchers' Publication and Citation Patterns http://t.co/gEFio2w6ji", "created_at"=>"2013-06-24T16:55:43Z", "user"=>"thanec", "user_name"=>"Thane Chambers", "user_profile_image"=>"http://a0.twimg.com/profile_images/90083342/IMG_0128_1_normal.JPG"}
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- {"month"=>"7", "year"=>"2011", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"43"}
- {"month"=>"8", "year"=>"2011", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"38"}
- {"month"=>"9", "year"=>"2011", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"57"}
- {"month"=>"10", "year"=>"2011", "pdf_views"=>"15", "xml_views"=>"0", "html_views"=>"71"}
- {"month"=>"11", "year"=>"2011", "pdf_views"=>"17", "xml_views"=>"1", "html_views"=>"86"}
- {"month"=>"12", "year"=>"2011", "pdf_views"=>"16", "xml_views"=>"0", "html_views"=>"84"}
- {"month"=>"1", "year"=>"2012", "pdf_views"=>"8", "xml_views"=>"1", "html_views"=>"73"}
- {"month"=>"2", "year"=>"2012", "pdf_views"=>"15", "xml_views"=>"0", "html_views"=>"90"}
- {"month"=>"3", "year"=>"2012", "pdf_views"=>"18", "xml_views"=>"0", "html_views"=>"137"}
- {"month"=>"4", "year"=>"2012", "pdf_views"=>"12", "xml_views"=>"1", "html_views"=>"99"}
- {"month"=>"5", "year"=>"2012", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"97"}
- {"month"=>"6", "year"=>"2012", "pdf_views"=>"18", "xml_views"=>"0", "html_views"=>"82"}
- {"month"=>"7", "year"=>"2012", "pdf_views"=>"14", "xml_views"=>"4", "html_views"=>"67"}
- {"month"=>"8", "year"=>"2012", "pdf_views"=>"10", "xml_views"=>"5", "html_views"=>"75"}
- {"month"=>"9", "year"=>"2012", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"93"}
- {"month"=>"10", "year"=>"2012", "pdf_views"=>"18", "xml_views"=>"0", "html_views"=>"91"}
- {"month"=>"11", "year"=>"2012", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"94"}
- {"month"=>"12", "year"=>"2012", "pdf_views"=>"11", "xml_views"=>"0", "html_views"=>"69"}
- {"month"=>"1", "year"=>"2013", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"76"}
- {"month"=>"2", "year"=>"2013", "pdf_views"=>"6", "xml_views"=>"3", "html_views"=>"79"}
- {"month"=>"3", "year"=>"2013", "pdf_views"=>"11", "xml_views"=>"0", "html_views"=>"84"}
- {"month"=>"4", "year"=>"2013", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"99"}
- {"month"=>"5", "year"=>"2013", "pdf_views"=>"11", "xml_views"=>"0", "html_views"=>"103"}
- {"month"=>"6", "year"=>"2013", "pdf_views"=>"16", "xml_views"=>"1", "html_views"=>"441"}
- {"month"=>"7", "year"=>"2013", "pdf_views"=>"10", "xml_views"=>"3", "html_views"=>"88"}
- {"month"=>"8", "year"=>"2013", "pdf_views"=>"13", "xml_views"=>"0", "html_views"=>"85"}
- {"month"=>"9", "year"=>"2013", "pdf_views"=>"7", "xml_views"=>"1", "html_views"=>"72"}
- {"month"=>"10", "year"=>"2013", "pdf_views"=>"6", "xml_views"=>"1", "html_views"=>"92"}
- {"month"=>"11", "year"=>"2013", "pdf_views"=>"8", "xml_views"=>"1", "html_views"=>"71"}
- {"month"=>"12", "year"=>"2013", "pdf_views"=>"5", "xml_views"=>"2", "html_views"=>"83"}
- {"month"=>"1", "year"=>"2014", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"57"}
- {"month"=>"2", "year"=>"2014", "pdf_views"=>"10", "xml_views"=>"1", "html_views"=>"69"}
- {"month"=>"3", "year"=>"2014", "pdf_views"=>"12", "xml_views"=>"2", "html_views"=>"78"}
- {"month"=>"4", "year"=>"2014", "pdf_views"=>"13", "xml_views"=>"1", "html_views"=>"103"}
- {"month"=>"5", "year"=>"2014", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"65"}
- {"month"=>"6", "year"=>"2014", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"56"}
- {"month"=>"7", "year"=>"2014", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"72"}
- {"month"=>"8", "year"=>"2014", "pdf_views"=>"7", "xml_views"=>"2", "html_views"=>"59"}
- {"month"=>"9", "year"=>"2014", "pdf_views"=>"11", "xml_views"=>"2", "html_views"=>"74"}
- {"month"=>"10", "year"=>"2014", "pdf_views"=>"15", "xml_views"=>"1", "html_views"=>"80"}
- {"month"=>"11", "year"=>"2014", "pdf_views"=>"8", "xml_views"=>"1", "html_views"=>"73"}
- {"month"=>"12", "year"=>"2014", "pdf_views"=>"13", "xml_views"=>"2", "html_views"=>"91"}
- {"month"=>"1", "year"=>"2015", "pdf_views"=>"13", "xml_views"=>"1", "html_views"=>"62"}
- {"month"=>"2", "year"=>"2015", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"54"}
- {"month"=>"3", "year"=>"2015", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"58"}
- {"month"=>"4", "year"=>"2015", "pdf_views"=>"8", "xml_views"=>"1", "html_views"=>"54"}
- {"month"=>"5", "year"=>"2015", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"34"}
- {"month"=>"6", "year"=>"2015", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"56"}
- {"month"=>"7", "year"=>"2015", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"55"}
- {"month"=>"8", "year"=>"2015", "pdf_views"=>"9", "xml_views"=>"1", "html_views"=>"60"}
- {"month"=>"9", "year"=>"2015", "pdf_views"=>"9", "xml_views"=>"1", "html_views"=>"126"}
- {"month"=>"10", "year"=>"2015", "pdf_views"=>"15", "xml_views"=>"0", "html_views"=>"98"}
- {"month"=>"11", "year"=>"2015", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"70"}
- {"month"=>"12", "year"=>"2015", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"95"}
- {"month"=>"1", "year"=>"2016", "pdf_views"=>"11", "xml_views"=>"0", "html_views"=>"81"}
- {"month"=>"2", "year"=>"2016", "pdf_views"=>"2", "xml_views"=>"0", "html_views"=>"88"}
- {"month"=>"3", "year"=>"2016", "pdf_views"=>"6", "xml_views"=>"2", "html_views"=>"85"}
- {"month"=>"4", "year"=>"2016", "pdf_views"=>"13", "xml_views"=>"0", "html_views"=>"72"}
- {"month"=>"5", "year"=>"2016", "pdf_views"=>"16", "xml_views"=>"0", "html_views"=>"92"}
- {"month"=>"6", "year"=>"2016", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"69"}
- {"month"=>"7", "year"=>"2016", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"51"}
- {"month"=>"8", "year"=>"2016", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"57"}
- {"month"=>"9", "year"=>"2016", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"55"}
- {"month"=>"10", "year"=>"2016", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"59"}
- {"month"=>"11", "year"=>"2016", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"59"}
- {"month"=>"12", "year"=>"2016", "pdf_views"=>"11", "xml_views"=>"0", "html_views"=>"70"}
- {"month"=>"1", "year"=>"2017", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"36"}
- {"month"=>"2", "year"=>"2017", "pdf_views"=>"11", "xml_views"=>"0", "html_views"=>"60"}
- {"month"=>"3", "year"=>"2017", "pdf_views"=>"11", "xml_views"=>"1", "html_views"=>"84"}
- {"month"=>"4", "year"=>"2017", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"81"}
- {"month"=>"5", "year"=>"2017", "pdf_views"=>"16", "xml_views"=>"0", "html_views"=>"84"}
- {"month"=>"6", "year"=>"2017", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"85"}
- {"month"=>"7", "year"=>"2017", "pdf_views"=>"8", "xml_views"=>"1", "html_views"=>"48"}
- {"month"=>"8", "year"=>"2017", "pdf_views"=>"13", "xml_views"=>"1", "html_views"=>"59"}
- {"month"=>"9", "year"=>"2017", "pdf_views"=>"11", "xml_views"=>"1", "html_views"=>"51"}
- {"month"=>"10", "year"=>"2017", "pdf_views"=>"9", "xml_views"=>"2", "html_views"=>"79"}
- {"month"=>"11", "year"=>"2017", "pdf_views"=>"16", "xml_views"=>"0", "html_views"=>"65"}
- {"month"=>"12", "year"=>"2017", "pdf_views"=>"17", "xml_views"=>"1", "html_views"=>"62"}
- {"month"=>"1", "year"=>"2018", "pdf_views"=>"5", "xml_views"=>"2", "html_views"=>"69"}
- {"month"=>"2", "year"=>"2018", "pdf_views"=>"17", "xml_views"=>"1", "html_views"=>"32"}
- {"month"=>"3", "year"=>"2018", "pdf_views"=>"18", "xml_views"=>"0", "html_views"=>"32"}
- {"month"=>"4", "year"=>"2018", "pdf_views"=>"9", "xml_views"=>"1", "html_views"=>"30"}
- {"month"=>"5", "year"=>"2018", "pdf_views"=>"21", "xml_views"=>"1", "html_views"=>"49"}
- {"month"=>"6", "year"=>"2018", "pdf_views"=>"15", "xml_views"=>"2", "html_views"=>"49"}
- {"month"=>"7", "year"=>"2018", "pdf_views"=>"7", "xml_views"=>"4", "html_views"=>"34"}
- {"month"=>"8", "year"=>"2018", "pdf_views"=>"8", "xml_views"=>"5", "html_views"=>"26"}
- {"month"=>"9", "year"=>"2018", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"51"}
- {"month"=>"10", "year"=>"2018", "pdf_views"=>"22", "xml_views"=>"1", "html_views"=>"54"}
- {"month"=>"11", "year"=>"2018", "pdf_views"=>"16", "xml_views"=>"2", "html_views"=>"36"}
- {"month"=>"12", "year"=>"2018", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"43"}
- {"month"=>"1", "year"=>"2019", "pdf_views"=>"26", "xml_views"=>"0", "html_views"=>"53"}
- {"month"=>"2", "year"=>"2019", "pdf_views"=>"5", "xml_views"=>"1", "html_views"=>"42"}
- {"month"=>"3", "year"=>"2019", "pdf_views"=>"17", "xml_views"=>"0", "html_views"=>"46"}
- {"month"=>"4", "year"=>"2019", "pdf_views"=>"16", "xml_views"=>"0", "html_views"=>"52"}
- {"month"=>"5", "year"=>"2019", "pdf_views"=>"15", "xml_views"=>"6", "html_views"=>"30"}
- {"month"=>"6", "year"=>"2019", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"40"}
- {"month"=>"7", "year"=>"2019", "pdf_views"=>"11", "xml_views"=>"1", "html_views"=>"24"}
- {"month"=>"8", "year"=>"2019", "pdf_views"=>"15", "xml_views"=>"0", "html_views"=>"37"}
- {"month"=>"9", "year"=>"2019", "pdf_views"=>"19", "xml_views"=>"0", "html_views"=>"36"}
- {"month"=>"10", "year"=>"2019", "pdf_views"=>"22", "xml_views"=>"1", "html_views"=>"46"}
- {"month"=>"11", "year"=>"2019", "pdf_views"=>"18", "xml_views"=>"0", "html_views"=>"35"}
- {"month"=>"12", "year"=>"2019", "pdf_views"=>"17", "xml_views"=>"3", "html_views"=>"31"}
- {"month"=>"1", "year"=>"2020", "pdf_views"=>"14", "xml_views"=>"2", "html_views"=>"55"}
- {"month"=>"2", "year"=>"2020", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"19"}
- {"month"=>"3", "year"=>"2020", "pdf_views"=>"19", "xml_views"=>"0", "html_views"=>"46"}
- {"month"=>"4", "year"=>"2020", "pdf_views"=>"28", "xml_views"=>"1", "html_views"=>"43"}
- {"month"=>"5", "year"=>"2020", "pdf_views"=>"54", "xml_views"=>"2", "html_views"=>"31"}
- {"month"=>"6", "year"=>"2020", "pdf_views"=>"11", "xml_views"=>"0", "html_views"=>"24"}
- {"month"=>"7", "year"=>"2020", "pdf_views"=>"18", "xml_views"=>"0", "html_views"=>"19"}
- {"month"=>"8", "year"=>"2020", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"28"}
- {"month"=>"9", "year"=>"2020", "pdf_views"=>"15", "xml_views"=>"0", "html_views"=>"36"}
- {"month"=>"10", "year"=>"2020", "pdf_views"=>"23", "xml_views"=>"0", "html_views"=>"69"}
- {"month"=>"11", "year"=>"2020", "pdf_views"=>"35", "xml_views"=>"0", "html_views"=>"46"}
- {"month"=>"12", "year"=>"2020", "pdf_views"=>"24", "xml_views"=>"0", "html_views"=>"42"}
- {"month"=>"1", "year"=>"2021", "pdf_views"=>"16", "xml_views"=>"1", "html_views"=>"37"}
- {"month"=>"2", "year"=>"2021", "pdf_views"=>"14", "xml_views"=>"2", "html_views"=>"43"}
- {"month"=>"3", "year"=>"2021", "pdf_views"=>"0", "xml_views"=>"0", "html_views"=>"3"}
PMC Usage Stats | Further Information
- {"month"=>"1", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"10", "year"=>"2010", "pdf"=>"2", "unique-ip"=>"8", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"2", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"6", "unique-ip"=>"12", "pdf"=>"8", "year"=>"2010", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"3", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"4", "year"=>"2010", "pdf"=>"1", "unique-ip"=>"6", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"4", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"6", "unique-ip"=>"6", "pdf"=>"3", "year"=>"2010", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"5", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"7", "year"=>"2010", "pdf"=>"3", "unique-ip"=>"6", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"6", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"4", "unique-ip"=>"6", "pdf"=>"4", "year"=>"2010", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"7", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"10", "year"=>"2010", "pdf"=>"4", "unique-ip"=>"9", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"8", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"7", "unique-ip"=>"6", "pdf"=>"4", "year"=>"2010", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"9", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"2", "full-text"=>"2", "year"=>"2010", "pdf"=>"1", "unique-ip"=>"5", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"10", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"0", "unique-ip"=>"3", "pdf"=>"1", "year"=>"2010", "figure"=>"2", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"11", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"5", "year"=>"2010", "pdf"=>"3", "unique-ip"=>"5", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"12", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"2", "unique-ip"=>"3", "pdf"=>"2", "year"=>"2010", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"1", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"4", "year"=>"2011", "pdf"=>"4", "unique-ip"=>"6", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"2", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"9", "unique-ip"=>"7", "pdf"=>"4", "year"=>"2011", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"3", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"5", "year"=>"2011", "pdf"=>"3", "unique-ip"=>"5", "figure"=>"6", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"4", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"4", "unique-ip"=>"4", "pdf"=>"2", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"5", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"1", "year"=>"2011", "pdf"=>"3", "unique-ip"=>"4", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"6", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"2", "unique-ip"=>"3", "pdf"=>"3", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"7", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"3", "year"=>"2011", "pdf"=>"3", "unique-ip"=>"4", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"8", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"3", "unique-ip"=>"4", "pdf"=>"2", "year"=>"2011", "figure"=>"5", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"9", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"3", "year"=>"2011", "pdf"=>"2", "unique-ip"=>"4", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"10", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"6", "unique-ip"=>"4", "pdf"=>"2", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"11", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"5", "year"=>"2011", "pdf"=>"3", "unique-ip"=>"6", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"12", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"10", "unique-ip"=>"6", "pdf"=>"3", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"1", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"4", "year"=>"2012", "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"=>"2", "pdf"=>"0", "year"=>"2012", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"3", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"3", "year"=>"2012", "pdf"=>"0", "unique-ip"=>"3", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"4", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"5", "unique-ip"=>"6", "pdf"=>"5", "year"=>"2012", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
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Relative Metric
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