Richard J. Farrell

5.1k total citations · 1 hit paper
72 papers, 3.6k citations indexed

About

Richard J. Farrell is a scholar working on Surgery, Epidemiology and Oncology. According to data from OpenAlex, Richard J. Farrell has authored 72 papers receiving a total of 3.6k indexed citations (citations by other indexed papers that have themselves been cited), including 29 papers in Surgery, 27 papers in Epidemiology and 24 papers in Oncology. Recurrent topics in Richard J. Farrell's work include Microscopic Colitis (21 papers), Inflammatory Bowel Disease (20 papers) and Colorectal Cancer Screening and Detection (15 papers). Richard J. Farrell is often cited by papers focused on Microscopic Colitis (21 papers), Inflammatory Bowel Disease (20 papers) and Colorectal Cancer Screening and Detection (15 papers). Richard J. Farrell collaborates with scholars based in United States, Ireland and Israel. Richard J. Farrell's co-authors include Ciarán P. Kelly, Mark A. Peppercorn, Pierre Michetti, Kenneth R. Falchuk, Mazen Alsahli, Martina Morrin, Yoon‐Tae Jeen, Jonathan B. Kruskal, Vassilios Raptopoulos and J. Thomas LaMont and has published in prestigious journals such as New England Journal of Medicine, The Lancet and Nature Immunology.

In The Last Decade

Richard J. Farrell

71 papers receiving 3.4k citations

Hit Papers

Celiac Sprue 2002 2026 2010 2018 2002 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Celiac Sprue
    2002 538 citations Richard J. Farrell, Ciarán P. Kelly profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Richard J. Farrell United States 27 1.3k 1.2k 1.1k 860 783 72 3.6k
Arzu Ensarı Türkiye 27 1.0k 0.8× 979 0.8× 882 0.8× 585 0.7× 715 0.9× 142 3.0k
Ellen C. Ebert United States 32 866 0.7× 799 0.6× 430 0.4× 769 0.9× 743 0.9× 67 4.6k
Aurélien Amiot France 25 1.1k 0.8× 1.2k 0.9× 1.2k 1.0× 453 0.5× 615 0.8× 131 3.0k
Stefan J. Urbanski Canada 33 1.1k 0.8× 967 0.8× 699 0.6× 1.1k 1.2× 226 0.3× 112 3.7k
Alfredo Papa Italy 36 1.4k 1.0× 1.4k 1.1× 1.9k 1.7× 321 0.4× 340 0.4× 161 3.9k
Elena Ricart Spain 38 2.7k 2.0× 2.0k 1.6× 3.5k 3.0× 527 0.6× 356 0.5× 121 5.0k
Kenneth R. Falchuk United States 28 1.2k 0.9× 984 0.8× 1.1k 0.9× 223 0.3× 337 0.4× 69 3.0k
G. Del Vecchio Blanco Italy 27 763 0.6× 812 0.7× 644 0.6× 512 0.6× 563 0.7× 97 2.6k
Jonas Mudter Germany 26 761 0.6× 840 0.7× 1.4k 1.2× 772 0.9× 219 0.3× 71 3.7k
Thomas Ochsenkühn Germany 37 1.9k 1.5× 1.6k 1.3× 2.8k 2.4× 644 0.7× 448 0.6× 99 5.0k

Countries citing papers authored by Richard J. Farrell

Since Specialization
Citations

This map shows the geographic impact of Richard J. Farrell'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 Richard J. Farrell with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Richard J. Farrell more than expected).

Fields of papers citing papers by Richard J. Farrell

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Richard J. Farrell. 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 Richard J. Farrell. The network helps show where Richard J. Farrell may publish in the future.

Co-authorship network of co-authors of Richard J. Farrell

This figure shows the co-authorship network connecting the top 25 collaborators of Richard J. Farrell. A scholar is included among the top collaborators of Richard J. Farrell based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Richard J. Farrell. Richard J. Farrell is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Castro, Patricia Domínguez, Valerie Trimble, Deirdre McNamara, et al.. (2020). Prevalence of coexisting autoimmune thyroidal diseases in coeliac disease is decreasing. United European Gastroenterology Journal. 8(2). 148–156. 9 indexed citations
2.
Smith, Sinéad M., Breida Boyle, Denise Brennan, et al.. (2017). The Irish Helicobacter pylori Working Group consensus for the diagnosis and treatment of H. pylori infection in adult patients in Ireland. European Journal of Gastroenterology & Hepatology. 29(5). 552–559. 27 indexed citations
3.
Castro, Patricia Domínguez, Valerie Trimble, Deirdre McNamara, et al.. (2017). Changes in Presentation of Celiac Disease in Ireland From the 1960s to 2015. Clinical Gastroenterology and Hepatology. 15(6). 864–871.e3. 30 indexed citations
4.
Farrell, Richard J.. (2007). Double therapy for IBD better than single therapy? the issue is not how but how much. Inflammatory Bowel Diseases. 5(1). 68–70.
5.
Copel, Laurian, Jacob Sosna, Jonathan B. Kruskal, et al.. (2007). CT Colonography in 546 Patients with Incomplete Colonoscopy1. Radiology. 244(2). 471–478. 74 indexed citations
6.
Moss, Alan C. & Richard J. Farrell. (2005). Adding fuel to the fire: GM-CSF for active Crohn’s disease. Gastroenterology. 129(6). 2115–2117. 6 indexed citations
7.
Farrell, Richard J., et al.. (2005). Immunogenicity of Biological Agents in Inflammatory Bowel Disease. Inflammatory Bowel Diseases. 11(5). 497–503. 8 indexed citations
8.
Kelleher, Dermot, Richard J. Farrell, & Ross McManus. (2004). Pharmacogenetics of Inflammatory Bowel Disease. Novartis Foundation symposium. 263. 41–56. 9 indexed citations
9.
Sosna, Jacob, Martina Morrin, Jonathan B. Kruskal, et al.. (2003). Colorectal Neoplasms: Role of Intravenous Contrast-enhanced CT Colonography. Radiology. 228(1). 152–156. 29 indexed citations
10.
Kwon, John H. & Richard J. Farrell. (2003). Probiotics and Inflammatory Bowel Disease. BioDrugs. 17(3). 179–186. 10 indexed citations
11.
Farrell, Richard J., Douglas A. Howell, & Douglas K. Pleskow. (2003). New technology for endoscopic retrograde cholangiopancreatography: improving safety, success, and efficiency. Gastrointestinal Endoscopy Clinics of North America. 13(4). 539–559. 9 indexed citations
12.
Alsahli, Mazen, Richard J. Farrell, & Pierre Michetti. (2001). Vaccines: An Ongoing Promise?. Digestive Diseases. 19(2). 148–157. 3 indexed citations
13.
Jong, Ype P. de, Ana Clara Abadía‐Molina, Abhay R. Satoskar, et al.. (2001). Development of chronic colitis is dependent on the cytokine MIF. Nature Immunology. 2(11). 1061–1066. 262 indexed citations
14.
Farrell, Richard J. & Ciarán P. Kelly. (2001). Diagnosis of celiac sprue. The American Journal of Gastroenterology. 96(12). 3237–3246. 98 indexed citations
15.
Farrell, Richard J., Samir A. Shah, Mazen Alsahli, et al.. (2000). Clinical Experience With Infliximab Therapy in 100 Patients With Crohn's Disease. The American Journal of Gastroenterology. 95(12). 3490–3497. 172 indexed citations
16.
Farrell, Richard J., Ruth Pilkington, Eoghan E. Mooney, et al.. (1999). Guided versus blind liver biopsy for chronic hepatitis C: clinical benefits and costs. Journal of Hepatology. 30(4). 580–587. 88 indexed citations
17.
Farrell, Richard J., Martina Morrin, David M. Lewis, Ram Chuttani, & Douglas K. Pleskow. (1999). EUS features of duodenal invasion secondary to hepatocellular carcinoma: case report. Gastrointestinal Endoscopy. 49(3). 384–387. 2 indexed citations
18.
Farrell, Richard J. & J. Thomas LaMont. (1998). Rational approach to iron-deficiency anaemia in premenopausal women. The Lancet. 352(9145). 1953–1954. 6 indexed citations
19.
O’Byrne, Kenneth J., et al.. (1997). Extrapulmonary Small Cell Gastric Carcinoma:A Case Report and Review of the Literature. Acta Oncologica. 36(1). 78–80. 23 indexed citations
20.
Farrell, Richard J., et al.. (1969). Effect of Vibration on the Operation of Decimal Input Devices. Human Factors The Journal of the Human Factors and Ergonomics Society. 11(3). 257–271. 8 indexed citations

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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Arzu Ensarı Breakdown of academic impact, for papers by Ellen C. Ebert Breakdown of academic impact, for papers by Aurélien Amiot Breakdown of academic impact, for papers by Stefan J. Urbanski Breakdown of academic impact, for papers by Alfredo Papa Breakdown of academic impact, for papers by Elena Ricart Breakdown of academic impact, for papers by Kenneth R. Falchuk Breakdown of academic impact, for papers by G. Del Vecchio Blanco Breakdown of academic impact, for papers by Jonas Mudter Breakdown of academic impact, for papers by Thomas Ochsenkühn
Rankless by CCL
2026