John Ryan
Impact in
- Immunology top 5%
- Immune Cell Function and Interaction
- T-cell and B-cell Immunology
- Rheumatology top 5%
- Rheumatoid Arthritis Research and Therapies
Papers in
- Epidemiology 12
- Inflammatory Myopathies and Dermatomyositis 5
- Rheumatology 11
- Co-authors
- Bonnie B. Blomberg (4 shared papers)Daniela Frasca (4 shared papers)Ana Marie Landin (4 shared papers)Suzanne C. Lechner (3 shared papers)John P. Elder (1 shared paper)Janice Barnhart (1 shared paper)Kiang Liu (1 shared paper)Lisa M. LaVange (1 shared paper)
- Journals
- Clinical Therapeutics (3 papers)Annals of the Rheumatic Diseases (3 papers)Clinical Rheumatology (2 papers)Cancer Imaging (2 papers)The Journal of Immunology (2 papers)
- Partner nations
- United StatesIrelandCanada
In The Last Decade
John Ryan
97 papers receiving 2.8k citations
John Ryan's Hit Papers
Peers
Comparison fields: 5 of 179
- Immunology 425
- Rheumatology 187
- Hepatology 93
- Health 95
- Epidemiology 371
Countries citing papers authored by John Ryan
This map shows the geographic impact of John Ryan's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by John Ryan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John Ryan more than expected).
Fields of papers citing papers by John Ryan
This network shows the impact of papers produced by John Ryan. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by John Ryan. The network helps show where John Ryan may publish in the future.
Co-authors
The 25 scholars most cited alongside John Ryan, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.
All Works
Showing the 20 most-cited of 101 papers — load more, or switch the sort, to bring in the rest.
| # | Work | ||
|---|---|---|---|
| 1 | Sample Design and Cohort Selection in the Hispanic Community Health Study/Study of Latinos Hit paper breakdown → | 2010 | 571 |
| 2 | 2008 | 263 | |
| 3 | Challenges in maintaining treatment services for people who use drugs during the COVID-19 pandemic Hit paper breakdown → | 2020 | 205 |
| 4 | 2016 | 198 | |
| 5 | 2010 | 123 | |
| 6 | 1988 | 117 | |
| 7 | 2017 | 95 | |
| 8 | 2013 | 88 | |
| 9 | 2009 | 75 | |
| 10 | 2013 | 66 | |
| 11 | 2012 | 63 | |
| 12 | Village and household economics in India's semi-arid tropics | 1990 | 61 |
| 13 | 2009 | 59 | |
| 14 | 2007 | 56 | |
| 15 | 2007 | 50 | |
| 16 | 2012 | 45 | |
| 17 | 1989 | 45 | |
| 18 | 2009 | 33 | |
| 19 | 2008 | 33 | |
| 20 | 2013 | 30 |
About John Ryan
John Ryan is a scholar working on Epidemiology, Rheumatology, Surgery, General Health Professions and Pulmonary and Respiratory Medicine, having authored 101 papers that have together received 2.9k indexed citations. Recurring topics across this work include Agricultural Economics and Practices (5 papers), Inflammatory Myopathies and Dermatomyositis (5 papers), T-cell and B-cell Immunology (4 papers), Inflammasome and immune disorders (4 papers), Diabetes Management and Education (4 papers), Agricultural risk and resilience (3 papers), Primary Care and Health Outcomes (3 papers) and HIV Research and Treatment (3 papers). The work is most often cited by research in Immunology (425 citations), Rheumatology (187 citations), Hepatology (93 citations), Health (95 citations) and Epidemiology (371 citations). John Ryan has collaborated with scholars based in United States, Ireland and Canada. Frequent co-authors include Bonnie B. Blomberg, Daniela Frasca, Ana Marie Landin, Suzanne C. Lechner, John P. Elder, Janice Barnhart, Kiang Liu, Lisa M. LaVange, William D. Kalsbeek and Robert C. Kaplan. Their work appears in journals such as Clinical Therapeutics, Annals of the Rheumatic Diseases, Clinical Rheumatology, Cancer Imaging and The Journal of Immunology.
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.