Nature Reviews Microbiology

Quartiles

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.

Category	Year	Quartile
Immunology and Microbiology (miscellaneous)	2004	Q1
Immunology and Microbiology (miscellaneous)	2005	Q1
Immunology and Microbiology (miscellaneous)	2006	Q1
Immunology and Microbiology (miscellaneous)	2007	Q1
Immunology and Microbiology (miscellaneous)	2008	Q1
Immunology and Microbiology (miscellaneous)	2009	Q1
Immunology and Microbiology (miscellaneous)	2010	Q1
Immunology and Microbiology (miscellaneous)	2011	Q1
Immunology and Microbiology (miscellaneous)	2012	Q1
Immunology and Microbiology (miscellaneous)	2013	Q1
Immunology and Microbiology (miscellaneous)	2014	Q1
Immunology and Microbiology (miscellaneous)	2015	Q1
Immunology and Microbiology (miscellaneous)	2016	Q1
Immunology and Microbiology (miscellaneous)	2017	Q1

SJR

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.

Year	SJR
2004	2.470
2005	5.965
2006	7.317
2007	7.949
2008	6.970
2009	6.201
2010	6.596
2011	6.461
2012	7.599
2013	10.211
2014	12.766
2015	15.714
2016	15.351
2017	17.634

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 document	Year	Value
Cites / Doc. (4 years)	2003	0.000
Cites / Doc. (4 years)	2004	3.653
Cites / Doc. (4 years)	2005	10.056
Cites / Doc. (4 years)	2006	13.373
Cites / Doc. (4 years)	2007	13.319
Cites / Doc. (4 years)	2008	12.678
Cites / Doc. (4 years)	2009	12.714
Cites / Doc. (4 years)	2010	11.608
Cites / Doc. (4 years)	2011	12.116
Cites / Doc. (4 years)	2012	14.679
Cites / Doc. (4 years)	2013	16.990
Cites / Doc. (4 years)	2014	20.145
Cites / Doc. (4 years)	2015	24.695
Cites / Doc. (4 years)	2016	26.028
Cites / Doc. (4 years)	2017	27.986
Cites / Doc. (3 years)	2003	0.000
Cites / Doc. (3 years)	2004	3.653
Cites / Doc. (3 years)	2005	10.056
Cites / Doc. (3 years)	2006	13.373
Cites / Doc. (3 years)	2007	14.219
Cites / Doc. (3 years)	2008	11.641
Cites / Doc. (3 years)	2009	10.817
Cites / Doc. (3 years)	2010	11.112
Cites / Doc. (3 years)	2011	12.308
Cites / Doc. (3 years)	2012	14.180
Cites / Doc. (3 years)	2013	18.247
Cites / Doc. (3 years)	2014	22.369
Cites / Doc. (3 years)	2015	24.551
Cites / Doc. (3 years)	2016	26.140
Cites / Doc. (3 years)	2017	28.558
Cites / Doc. (2 years)	2003	0.000
Cites / Doc. (2 years)	2004	3.653
Cites / Doc. (2 years)	2005	10.056
Cites / Doc. (2 years)	2006	14.877
Cites / Doc. (2 years)	2007	13.383
Cites / Doc. (2 years)	2008	9.182
Cites / Doc. (2 years)	2009	9.807
Cites / Doc. (2 years)	2010	11.554
Cites / Doc. (2 years)	2011	11.142
Cites / Doc. (2 years)	2012	14.649
Cites / Doc. (2 years)	2013	20.731
Cites / Doc. (2 years)	2014	21.791
Cites / Doc. (2 years)	2015	24.506
Cites / Doc. (2 years)	2016	25.707
Cites / Doc. (2 years)	2017	28.427

Total Cites

Self-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.

Cites	Year	Value
Self Cites	2003	0
Self Cites	2004	15
Self Cites	2005	49
Self Cites	2006	60
Self Cites	2007	80
Self Cites	2008	77
Self Cites	2009	81
Self Cites	2010	91
Self Cites	2011	72
Self Cites	2012	76
Self Cites	2013	51
Self Cites	2014	45
Self Cites	2015	52
Self Cites	2016	56
Self Cites	2017	61
Total Cites	2003	0
Total Cites	2004	179
Total Cites	2005	1428
Total Cites	2006	3156
Total Cites	2007	4294
Total Cites	2008	4412
Total Cites	2009	4662
Total Cites	2010	5356
Total Cites	2011	5871
Total Cites	2012	5913
Total Cites	2013	6204
Total Cites	2014	5883
Total Cites	2015	6015
Total Cites	2016	6143
Total Cites	2017	5683

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.

Cites	Year	Value
External Cites per document	2003	0
External Cites per document	2004	3.347
External Cites per document	2005	9.711
External Cites per document	2006	13.119
External Cites per document	2007	13.954
External Cites per document	2008	11.438
External Cites per document	2009	10.629
External Cites per document	2010	10.923
External Cites per document	2011	12.157
External Cites per document	2012	13.998
External Cites per document	2013	18.097
External Cites per document	2014	22.198
External Cites per document	2015	24.339
External Cites per document	2016	25.902
External Cites per document	2017	28.251
Cites per document	2003	0.000
Cites per document	2004	3.653
Cites per document	2005	10.056
Cites per document	2006	13.373
Cites per document	2007	14.219
Cites per document	2008	11.641
Cites per document	2009	10.817
Cites per document	2010	11.112
Cites per document	2011	12.308
Cites per document	2012	14.180
Cites per document	2013	18.247
Cites per document	2014	22.369
Cites per document	2015	24.551
Cites per document	2016	26.140
Cites per document	2017	28.558

% 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.

Year	International Collaboration
2003	3.85
2004	8.96
2005	9.09
2006	25.00
2007	11.11
2008	15.43
2009	12.81
2010	15.42
2011	11.96
2012	11.24
2013	13.48
2014	11.95
2015	18.49
2016	13.93
2017	20.14

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.

Documents	Year	Value
Non-citable documents	2003	0
Non-citable documents	2004	3
Non-citable documents	2005	122
Non-citable documents	2006	259
Non-citable documents	2007	301
Non-citable documents	2008	210
Non-citable documents	2009	102
Non-citable documents	2010	94
Non-citable documents	2011	102
Non-citable documents	2012	171
Non-citable documents	2013	223
Non-citable documents	2014	277
Non-citable documents	2015	270
Non-citable documents	2016	248
Non-citable documents	2017	228
Citable documents	2003	0
Citable documents	2004	49
Citable documents	2005	142
Citable documents	2006	236
Citable documents	2007	302
Citable documents	2008	379
Citable documents	2009	431
Citable documents	2010	482
Citable documents	2011	477
Citable documents	2012	417
Citable documents	2013	340
Citable documents	2014	263
Citable documents	2015	245
Citable documents	2016	235
Citable documents	2017	199

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.

Documents	Year	Value
Uncited documents	2003	0
Uncited documents	2004	27
Uncited documents	2005	144
Uncited documents	2006	288
Uncited documents	2007	335
Uncited documents	2008	313
Uncited documents	2009	255
Uncited documents	2010	284
Uncited documents	2011	291
Uncited documents	2012	317
Uncited documents	2013	300
Uncited documents	2014	283
Uncited documents	2015	260
Uncited documents	2016	227
Uncited documents	2017	197
Cited documents	2003	0
Cited documents	2004	25
Cited documents	2005	120
Cited documents	2006	207
Cited documents	2007	268
Cited documents	2008	276
Cited documents	2009	278
Cited documents	2010	292
Cited documents	2011	288
Cited documents	2012	271
Cited documents	2013	263
Cited documents	2014	257
Cited documents	2015	255
Cited documents	2016	256
Cited documents	2017	230

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Country	United Kingdom - SIR Ranking of United Kingdom	237 H Index
Subject Area and Category	Immunology and Microbiology Immunology and Microbiology (miscellaneous)
Publisher	Nature Publishing Group
Publication type	Journals
ISSN	17401526
Coverage	2003-ongoing
Scope	The advent of new technologies and growing recognition of the enormous degree of microbial diversity has revolutionized our understanding of microbiology as a discipline. Microbiology is moving into a new era that focuses less on specific organisms and more on the processes and mechanisms that link them. We take an integrated approach to microbiology, bridging fundamental research and its clinical, industrial and environmental applications to create a single information resource for all who share an interest in microbial life. Nature Reviews Microbiology publishes the highest-quality reviews and perspectives highlighting important developments in our understanding of bacteria, viruses, fungi and protozoa, their interaction with their environments.
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