Scimago Journal & Country Rank

American Journal of Physiology

Country United States  - SIR icon SIR Ranking of United States
H Index
Subject Area and CategoryMedicine
Physiology (medical)
Publisher American Physiological Society
Publication typeJournals
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The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Physiology (medical)1999Q2
Physiology (medical)2000Q3
Physiology (medical)2001Q3
Physiology (medical)2002Q2
Physiology (medical)2003Q2
Physiology (medical)2004Q1

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19991.660
Cites / Doc. (4 years)20001.529
Cites / Doc. (4 years)20011.025
Cites / Doc. (4 years)20021.510
Cites / Doc. (4 years)20031.743
Cites / Doc. (4 years)20042.940
Cites / Doc. (3 years)19991.660
Cites / Doc. (3 years)20000.874
Cites / Doc. (3 years)20011.512
Cites / Doc. (3 years)20021.868
Cites / Doc. (3 years)20032.180
Cites / Doc. (3 years)20042.160
Cites / Doc. (2 years)19990.817
Cites / Doc. (2 years)20001.136
Cites / Doc. (2 years)20011.709
Cites / Doc. (2 years)20022.440
Cites / Doc. (2 years)20031.600
Cites / Doc. (2 years)20040.000
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites199916
Self Cites20000
Self Cites20010
Self Cites20020
Self Cites20030
Self Cites20040
Total Cites19991728
Total Cites2000582
Total Cites2001493
Total Cites2002284
Total Cites2003109
Total Cites200454
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document19991.645
External Cites per document20000.874
External Cites per document20011.512
External Cites per document20021.868
External Cites per document20032.180
External Cites per document20042.160
Cites per document19991.660
Cites per document20000.874
Cites per document20011.512
Cites per document20021.868
Cites per document20032.180
Cites per document20042.160
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents199929
Non-citable documents200027
Non-citable documents200119
Non-citable documents20025
Non-citable documents20030
Non-citable documents20040
Citable documents19991041
Citable documents2000666
Citable documents2001326
Citable documents2002152
Citable documents200350
Citable documents200425
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents1999595
Uncited documents2000485
Uncited documents2001224
Uncited documents200282
Uncited documents200317
Uncited documents200414
Cited documents1999475
Cited documents2000208
Cited documents2001121
Cited documents200275
Cited documents200333
Cited documents200411
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