Scimago Journal & Country Rank


CountryUnited States
H Index
Subject Area and CategoryMedicine
Cardiology and Cardiovascular Medicine
Physiology (medical)
PublisherLippincott Williams & Wilkins Ltd.
Publication typeJournals
ISSN15244539, 00097322
Scope Under the leadership of Editor-in-Chief, Joseph Loscalzo, Circulation publishes the most important papers from across the world of cardiology every week. Online subscriptions are available to members of the American Heart Association/American Stroke Association as a benefit of membership depending on membership level. Members may also qualify for special rates on print subscriptions. (source)

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.

Cardiology and Cardiovascular Medicine1997Q1
Cardiology and Cardiovascular Medicine1998Q1
Cardiology and Cardiovascular Medicine1999Q1
Cardiology and Cardiovascular Medicine2000Q1
Cardiology and Cardiovascular Medicine2001Q1
Cardiology and Cardiovascular Medicine2002Q1
Cardiology and Cardiovascular Medicine2003Q1
Cardiology and Cardiovascular Medicine2004Q1
Cardiology and Cardiovascular Medicine2005Q1
Cardiology and Cardiovascular Medicine2006Q1
Cardiology and Cardiovascular Medicine2007Q1
Cardiology and Cardiovascular Medicine2008Q1
Cardiology and Cardiovascular Medicine2009Q1
Cardiology and Cardiovascular Medicine2010Q1
Cardiology and Cardiovascular Medicine2011Q1
Cardiology and Cardiovascular Medicine2012Q1
Cardiology and Cardiovascular Medicine2013Q1
Cardiology and Cardiovascular Medicine2014Q1
Cardiology and Cardiovascular Medicine2015Q1
Cardiology and Cardiovascular Medicine2016Q1
Physiology (medical)1997Q1
Physiology (medical)1998Q1
Physiology (medical)1999Q1
Physiology (medical)2000Q1
Physiology (medical)2001Q1
Physiology (medical)2002Q1
Physiology (medical)2003Q1
Physiology (medical)2004Q1
Physiology (medical)2005Q1
Physiology (medical)2006Q1
Physiology (medical)2007Q1
Physiology (medical)2008Q1
Physiology (medical)2009Q1
Physiology (medical)2010Q1
Physiology (medical)2011Q1
Physiology (medical)2012Q1
Physiology (medical)2013Q1
Physiology (medical)2014Q1
Physiology (medical)2015Q1
Physiology (medical)2016Q1

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)19998.349
Cites / Doc. (4 years)200010.036
Cites / Doc. (4 years)200110.553
Cites / Doc. (4 years)200210.693
Cites / Doc. (4 years)200311.331
Cites / Doc. (4 years)200412.209
Cites / Doc. (4 years)200512.961
Cites / Doc. (4 years)200613.564
Cites / Doc. (4 years)200713.157
Cites / Doc. (4 years)200812.260
Cites / Doc. (4 years)200912.889
Cites / Doc. (4 years)201013.098
Cites / Doc. (4 years)201113.810
Cites / Doc. (4 years)201214.522
Cites / Doc. (4 years)201314.716
Cites / Doc. (4 years)201414.815
Cites / Doc. (4 years)201514.403
Cites / Doc. (4 years)201613.748
Cites / Doc. (3 years)19998.349
Cites / Doc. (3 years)20009.889
Cites / Doc. (3 years)200110.535
Cites / Doc. (3 years)200210.442
Cites / Doc. (3 years)200311.096
Cites / Doc. (3 years)200412.609
Cites / Doc. (3 years)200513.212
Cites / Doc. (3 years)200613.019
Cites / Doc. (3 years)200712.476
Cites / Doc. (3 years)200811.742
Cites / Doc. (3 years)200912.734
Cites / Doc. (3 years)201013.038
Cites / Doc. (3 years)201113.655
Cites / Doc. (3 years)201214.928
Cites / Doc. (3 years)201314.808
Cites / Doc. (3 years)201414.319
Cites / Doc. (3 years)201514.305
Cites / Doc. (3 years)201614.312
Cites / Doc. (2 years)19997.861
Cites / Doc. (2 years)20009.572
Cites / Doc. (2 years)20019.749
Cites / Doc. (2 years)20029.604
Cites / Doc. (2 years)200311.017
Cites / Doc. (2 years)200412.704
Cites / Doc. (2 years)200512.354
Cites / Doc. (2 years)200611.754
Cites / Doc. (2 years)200711.441
Cites / Doc. (2 years)200811.027
Cites / Doc. (2 years)200912.266
Cites / Doc. (2 years)201012.378
Cites / Doc. (2 years)201113.612
Cites / Doc. (2 years)201214.886
Cites / Doc. (2 years)201314.018
Cites / Doc. (2 years)201413.588
Cites / Doc. (2 years)201514.782
Cites / Doc. (2 years)201614.844
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 Cites19991573
Self Cites20001967
Self Cites20012290
Self Cites20022358
Self Cites20032616
Self Cites20042819
Self Cites20052452
Self Cites20062039
Self Cites20071602
Self Cites20081287
Self Cites20091133
Self Cites20101296
Self Cites20111440
Self Cites20121300
Self Cites20131119
Self Cites20141007
Self Cites2015713
Self Cites2016894
Total Cites199922585
Total Cites200028430
Total Cites200132459
Total Cites200235387
Total Cites200339423
Total Cites200444370
Total Cites200547840
Total Cites200647246
Total Cites200742993
Total Cites200836941
Total Cites200935720
Total Cites201033495
Total Cites201131269
Total Cites201232767
Total Cites201332193
Total Cites201429641
Total Cites201527336
Total Cites201623772
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 document19997.768
External Cites per document20009.205
External Cites per document20019.792
External Cites per document20029.746
External Cites per document200310.359
External Cites per document200411.808
External Cites per document200512.535
External Cites per document200612.457
External Cites per document200712.011
External Cites per document200811.333
External Cites per document200912.330
External Cites per document201012.534
External Cites per document201113.026
External Cites per document201214.336
External Cites per document201314.293
External Cites per document201413.833
External Cites per document201513.931
External Cites per document201613.774
Cites per document19998.349
Cites per document20009.889
Cites per document200110.535
Cites per document200210.442
Cites per document200311.096
Cites per document200412.609
Cites per document200513.212
Cites per document200613.019
Cites per document200712.476
Cites per document200811.742
Cites per document200912.734
Cites per document201013.038
Cites per document201113.655
Cites per document201214.928
Cites per document201314.808
Cites per document201414.319
Cites per document201514.305
Cites per document201614.312
% 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 documents1999695
Non-citable documents2000699
Non-citable documents2001610
Non-citable documents2002596
Non-citable documents2003651
Non-citable documents2004714
Non-citable documents2005716
Non-citable documents2006717
Non-citable documents2007761
Non-citable documents2008855
Non-citable documents2009874
Non-citable documents2010889
Non-citable documents2011919
Non-citable documents20121007
Non-citable documents20131100
Non-citable documents20141126
Non-citable documents20151171
Non-citable documents20161190
Citable documents19992705
Citable documents20002875
Citable documents20013081
Citable documents20023389
Citable documents20033553
Citable documents20043519
Citable documents20053621
Citable documents20063629
Citable documents20073446
Citable documents20083146
Citable documents20092805
Citable documents20102569
Citable documents20112290
Citable documents20122195
Citable documents20132174
Citable documents20142070
Citable documents20151911
Citable documents20161661
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 documents1999773
Uncited documents2000761
Uncited documents2001795
Uncited documents2002759
Uncited documents2003768
Uncited documents2004708
Uncited documents2005724
Uncited documents2006746
Uncited documents2007935
Uncited documents20081117
Uncited documents20091180
Uncited documents20101087
Uncited documents2011950
Uncited documents20121020
Uncited documents20131083
Uncited documents20141071
Uncited documents20151078
Uncited documents20161101
Cited documents19992627
Cited documents20002813
Cited documents20012896
Cited documents20023226
Cited documents20033436
Cited documents20043525
Cited documents20053613
Cited documents20063600
Cited documents20073272
Cited documents20082884
Cited documents20092499
Cited documents20102371
Cited documents20112259
Cited documents20122182
Cited documents20132191
Cited documents20142125
Cited documents20152004
Cited documents20161750
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