Scimago Journal & Country Rank

Expert Opinion on Drug Delivery

Country United Kingdom  - SIR icon SIR Ranking of United Kingdom
H Index
Subject Area and CategoryPharmacology, Toxicology and Pharmaceutics
Pharmaceutical Science
Publisher Taylor and Francis Ltd.
Publication typeJournals
Scope Expert Opinion on Drug Delivery (ISSN 1742-5247 [print], 1744-7593 [electronic]) is a MEDLINE-indexed, peer-reviewed, international journal publishing review articles covering all aspects of drug delivery research, from initial concept to potential therapeutic application and final relevance in clinical use. Each article is structured to incorporate the author’s own expert opinion on the scope for future development.


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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.

Pharmaceutical Science2005Q2
Pharmaceutical Science2006Q1
Pharmaceutical Science2007Q1
Pharmaceutical Science2008Q1
Pharmaceutical Science2009Q1
Pharmaceutical Science2010Q1
Pharmaceutical Science2011Q1
Pharmaceutical Science2012Q1
Pharmaceutical Science2013Q1
Pharmaceutical Science2014Q1
Pharmaceutical Science2015Q1
Pharmaceutical Science2016Q1
Pharmaceutical Science2017Q1
Pharmaceutical Science2018Q1
Pharmaceutical Science2019Q1

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)20040.000
Cites / Doc. (4 years)20051.786
Cites / Doc. (4 years)20062.194
Cites / Doc. (4 years)20073.277
Cites / Doc. (4 years)20083.475
Cites / Doc. (4 years)20093.569
Cites / Doc. (4 years)20105.240
Cites / Doc. (4 years)20115.602
Cites / Doc. (4 years)20126.441
Cites / Doc. (4 years)20135.481
Cites / Doc. (4 years)20145.645
Cites / Doc. (4 years)20155.533
Cites / Doc. (4 years)20165.897
Cites / Doc. (4 years)20175.616
Cites / Doc. (4 years)20185.694
Cites / Doc. (4 years)20195.441
Cites / Doc. (3 years)20040.000
Cites / Doc. (3 years)20051.786
Cites / Doc. (3 years)20062.194
Cites / Doc. (3 years)20073.277
Cites / Doc. (3 years)20083.289
Cites / Doc. (3 years)20093.676
Cites / Doc. (3 years)20105.306
Cites / Doc. (3 years)20115.693
Cites / Doc. (3 years)20126.291
Cites / Doc. (3 years)20135.309
Cites / Doc. (3 years)20145.365
Cites / Doc. (3 years)20155.495
Cites / Doc. (3 years)20166.010
Cites / Doc. (3 years)20175.488
Cites / Doc. (3 years)20185.725
Cites / Doc. (3 years)20195.225
Cites / Doc. (2 years)20040.000
Cites / Doc. (2 years)20051.786
Cites / Doc. (2 years)20062.194
Cites / Doc. (2 years)20073.050
Cites / Doc. (2 years)20083.459
Cites / Doc. (2 years)20093.408
Cites / Doc. (2 years)20105.254
Cites / Doc. (2 years)20115.660
Cites / Doc. (2 years)20125.869
Cites / Doc. (2 years)20134.612
Cites / Doc. (2 years)20145.256
Cites / Doc. (2 years)20155.553
Cites / Doc. (2 years)20165.729
Cites / Doc. (2 years)20175.481
Cites / Doc. (2 years)20185.488
Cites / Doc. (2 years)20195.127
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 Cites20040
Self Cites20059
Self Cites200613
Self Cites200725
Self Cites200818
Self Cites200944
Self Cites201053
Self Cites201165
Self Cites201278
Self Cites201365
Self Cites201479
Self Cites201557
Self Cites201671
Self Cites201786
Self Cites201856
Self Cites201962
Total Cites20040
Total Cites200525
Total Cites2006204
Total Cites2007508
Total Cites2008625
Total Cites2009750
Total Cites20101284
Total Cites20111651
Total Cites20121925
Total Cites20131720
Total Cites20141883
Total Cites20152110
Total Cites20162386
Total Cites20172250
Total Cites20182147
Total Cites20191745
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 document20040
External Cites per document20051.143
External Cites per document20062.054
External Cites per document20073.116
External Cites per document20083.195
External Cites per document20093.461
External Cites per document20105.087
External Cites per document20115.469
External Cites per document20126.036
External Cites per document20135.108
External Cites per document20145.140
External Cites per document20155.346
External Cites per document20165.831
External Cites per document20175.278
External Cites per document20185.576
External Cites per document20195.039
Cites per document20040.000
Cites per document20051.786
Cites per document20062.194
Cites per document20073.277
Cites per document20083.289
Cites per document20093.676
Cites per document20105.306
Cites per document20115.693
Cites per document20126.291
Cites per document20135.309
Cites per document20145.365
Cites per document20155.495
Cites per document20166.010
Cites per document20175.488
Cites per document20185.725
Cites per document20195.225
% 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 documents20040
Non-citable documents20052
Non-citable documents20067
Non-citable documents200711
Non-citable documents200816
Non-citable documents200916
Non-citable documents201013
Non-citable documents20117
Non-citable documents20124
Non-citable documents20135
Non-citable documents20149
Non-citable documents201512
Non-citable documents201615
Non-citable documents201721
Non-citable documents201831
Non-citable documents201932
Citable documents20040
Citable documents200514
Citable documents200693
Citable documents2007155
Citable documents2008190
Citable documents2009204
Citable documents2010242
Citable documents2011290
Citable documents2012306
Citable documents2013324
Citable documents2014351
Citable documents2015384
Citable documents2016397
Citable documents2017410
Citable documents2018375
Citable documents2019334
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 documents20040
Uncited documents20056
Uncited documents200632
Uncited documents200730
Uncited documents200839
Uncited documents200931
Uncited documents201029
Uncited documents201121
Uncited documents201222
Uncited documents201341
Uncited documents201445
Uncited documents201552
Uncited documents201652
Uncited documents201752
Uncited documents201841
Uncited documents201942
Cited documents20040
Cited documents200510
Cited documents200668
Cited documents2007136
Cited documents2008167
Cited documents2009189
Cited documents2010226
Cited documents2011276
Cited documents2012288
Cited documents2013288
Cited documents2014315
Cited documents2015344
Cited documents2016360
Cited documents2017379
Cited documents2018365
Cited documents2019324
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