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
PublisherTaylor & Francis
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

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)20061.957
Cites / Doc. (4 years)20073.196
Cites / Doc. (4 years)20083.330
Cites / Doc. (4 years)20093.199
Cites / Doc. (4 years)20105.368
Cites / Doc. (4 years)20115.577
Cites / Doc. (4 years)20126.339
Cites / Doc. (4 years)20135.424
Cites / Doc. (4 years)20145.615
Cites / Doc. (4 years)20155.486
Cites / Doc. (4 years)20165.919
Cites / Doc. (4 years)20175.519
Cites / Doc. (4 years)20185.475
Cites / Doc. (3 years)20040.000
Cites / Doc. (3 years)20051.786
Cites / Doc. (3 years)20061.957
Cites / Doc. (3 years)20073.196
Cites / Doc. (3 years)20083.144
Cites / Doc. (3 years)20093.316
Cites / Doc. (3 years)20105.409
Cites / Doc. (3 years)20115.631
Cites / Doc. (3 years)20126.164
Cites / Doc. (3 years)20135.289
Cites / Doc. (3 years)20145.330
Cites / Doc. (3 years)20155.436
Cites / Doc. (3 years)20166.043
Cites / Doc. (3 years)20175.415
Cites / Doc. (3 years)20185.497
Cites / Doc. (2 years)20040.000
Cites / Doc. (2 years)20051.786
Cites / Doc. (2 years)20061.957
Cites / Doc. (2 years)20072.977
Cites / Doc. (2 years)20083.368
Cites / Doc. (2 years)20093.079
Cites / Doc. (2 years)20105.393
Cites / Doc. (2 years)20115.545
Cites / Doc. (2 years)20125.869
Cites / Doc. (2 years)20134.592
Cites / Doc. (2 years)20145.222
Cites / Doc. (2 years)20155.504
Cites / Doc. (2 years)20165.733
Cites / Doc. (2 years)20175.396
Cites / Doc. (2 years)20185.265
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 Cites20068
Self Cites200721
Self Cites200810
Self Cites200935
Self Cites201047
Self Cites201155
Self Cites201273
Self Cites201365
Self Cites201479
Self Cites201557
Self Cites201671
Self Cites201785
Self Cites201856
Total Cites20040
Total Cites200525
Total Cites2006182
Total Cites2007457
Total Cites2008547
Total Cites2009587
Total Cites20101125
Total Cites20111464
Total Cites20121769
Total Cites20131719
Total Cites20141876
Total Cites20152093
Total Cites20162399
Total Cites20172220
Total Cites20182067
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 document20061.871
External Cites per document20073.049
External Cites per document20083.086
External Cites per document20093.119
External Cites per document20105.183
External Cites per document20115.419
External Cites per document20125.909
External Cites per document20135.089
External Cites per document20145.105
External Cites per document20155.288
External Cites per document20165.864
External Cites per document20175.207
External Cites per document20185.348
Cites per document20040.000
Cites per document20051.786
Cites per document20061.957
Cites per document20073.196
Cites per document20083.144
Cites per document20093.316
Cites per document20105.409
Cites per document20115.631
Cites per document20126.164
Cites per document20135.289
Cites per document20145.330
Cites per document20155.436
Cites per document20166.043
Cites per document20175.415
Cites per document20185.497
% 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 documents200710
Non-citable documents200815
Non-citable documents200915
Non-citable documents201013
Non-citable documents20117
Non-citable documents20124
Non-citable documents20134
Non-citable documents20148
Non-citable documents201511
Non-citable documents201615
Non-citable documents201721
Non-citable documents201830
Citable documents20040
Citable documents200514
Citable documents200693
Citable documents2007143
Citable documents2008174
Citable documents2009177
Citable documents2010208
Citable documents2011260
Citable documents2012287
Citable documents2013325
Citable documents2014352
Citable documents2015385
Citable documents2016397
Citable documents2017410
Citable documents2018376
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 documents200634
Uncited documents200729
Uncited documents200837
Uncited documents200933
Uncited documents201023
Uncited documents201120
Uncited documents201220
Uncited documents201341
Uncited documents201445
Uncited documents201553
Uncited documents201649
Uncited documents201752
Uncited documents201842
Cited documents20040
Cited documents200510
Cited documents200666
Cited documents2007124
Cited documents2008152
Cited documents2009159
Cited documents2010198
Cited documents2011247
Cited documents2012271
Cited documents2013288
Cited documents2014315
Cited documents2015343
Cited documents2016363
Cited documents2017379
Cited documents2018364
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