Douglas R. Morgan

9.5k total citations · 3 hit papers
144 papers, 6.5k citations indexed

About

Douglas R. Morgan is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Gastroenterology. According to data from OpenAlex, Douglas R. Morgan has authored 144 papers receiving a total of 6.5k indexed citations (citations by other indexed papers that have themselves been cited), including 80 papers in Surgery, 43 papers in Pulmonary and Respiratory Medicine and 32 papers in Gastroenterology. Recurrent topics in Douglas R. Morgan's work include Helicobacter pylori-related gastroenterology studies (56 papers), Gastric Cancer Management and Outcomes (33 papers) and Gastrointestinal disorders and treatments (21 papers). Douglas R. Morgan is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (56 papers), Gastric Cancer Management and Outcomes (33 papers) and Gastrointestinal disorders and treatments (21 papers). Douglas R. Morgan collaborates with scholars based in United States, Nicaragua and Colombia. Douglas R. Morgan's co-authors include Nicholas J. Shaheen, Robert S. Sandler, Yehuda Ringel, Lisa M. Gangarosa, Michelle T. Thiny, Evan S. Dellon, R. Brian Haynes, Nancy L Wilczynski, Víctor M. Montori and Ricardo L. Domínguez and has published in prestigious journals such as Proceedings of the National Academy of Sciences, The Lancet and Journal of Clinical Investigation.

In The Last Decade

Douglas R. Morgan

139 papers receiving 6.3k citations

Hit Papers

Burden of Gastrointestinal Disease in the United States: ... 2006 2026 2012 2019 2012 2006 2024 400 800 1.2k
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. Burden of Gastrointestinal Disease in the United States: 2012 Update
    2012 1.5k citations Douglas R. Morgan, Nicholas J. Shaheen et al. Gastroenterology profile →
  2. The Burden of Gastrointestinal and Liver Diseases, 2006
    2006 516 citations Nicholas J. Shaheen, Douglas R. Morgan et al. The American Journal of Gastroenterology profile →
  3. ACG Clinical Guideline: Treatment of Helicobacter pylori Infection
    2024 64 citations William D. Chey, Colin W. Howden et al. The American Journal of Gastroenterology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Douglas R. Morgan United States 39 4.1k 1.7k 1.6k 1.2k 542 144 6.5k
Alan Kawarai Lefor Japan 43 3.7k 0.9× 1.2k 0.7× 2.8k 1.7× 1.8k 1.5× 704 1.3× 591 7.7k
Anne F. Peery United States 30 4.3k 1.1× 1.2k 0.7× 1.1k 0.7× 1.5k 1.2× 769 1.4× 86 6.0k
Jennifer L. Lund United States 36 3.7k 0.9× 1.1k 0.6× 1.2k 0.8× 2.5k 2.1× 1.1k 2.0× 249 8.7k
Bart Maes Belgium 53 2.7k 0.7× 1.1k 0.6× 1.1k 0.7× 458 0.4× 1.1k 2.0× 215 8.9k
Elham Rahme Canada 49 2.4k 0.6× 633 0.4× 1.4k 0.9× 761 0.6× 2.3k 4.2× 280 8.9k
John M. Inadomi United States 55 5.9k 1.5× 2.8k 1.6× 3.8k 2.3× 3.1k 2.6× 2.2k 4.0× 231 11.6k
Yuhong Yuan Canada 57 5.1k 1.3× 3.0k 1.7× 2.8k 1.7× 1.1k 0.9× 1.2k 2.3× 256 10.4k
Vishal Sharma India 32 2.5k 0.6× 282 0.2× 1.1k 0.7× 1.0k 0.9× 831 1.5× 469 5.1k
Michael Murphy United Kingdom 62 2.3k 0.6× 1.2k 0.7× 1.8k 1.1× 705 0.6× 1.2k 2.3× 436 14.7k
Brooks D. Cash United States 58 6.3k 1.5× 3.2k 1.9× 3.8k 2.3× 3.3k 2.8× 930 1.7× 291 10.9k

Countries citing papers authored by Douglas R. Morgan

Since Specialization
Citations

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

Fields of papers citing papers by Douglas R. Morgan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Douglas R. Morgan. 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 Douglas R. Morgan. The network helps show where Douglas R. Morgan may publish in the future.

Co-authorship network of co-authors of Douglas R. Morgan

This figure shows the co-authorship network connecting the top 25 collaborators of Douglas R. Morgan. A scholar is included among the top collaborators of Douglas R. Morgan 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 Douglas R. Morgan. Douglas R. Morgan 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.
Chey, William D., Colin W. Howden, Steven F. Moss, et al.. (2024). ACG Clinical Guideline: Treatment of Helicobacter pylori Infection. The American Journal of Gastroenterology. 119(9). 1730–1753. 64 indexed citations breakdown →
2.
Peña-Galo, Edgar M., et al.. (2024). High Gastric Cancer Mortality and Years of Life Lost in Nicaragua: A Population-Based Study 1997 to 2012. Cancer Epidemiology Biomarkers & Prevention. 33(12). 1564–1570. 1 indexed citations
3.
Dougherty, Michael, et al.. (2024). Colorectal Cancer Screening Programs in Latin America. JAMA Network Open. 7(2). e2354256–e2354256. 8 indexed citations
4.
Hernández, Jessica, María González‐Pons, Ricardo L. Domínguez, et al.. (2024). Establishment of a Mesoamerican–Caribbean South–South Research Platform: Challenges in the Meriva (Curcuminoids) Gastric Cancer Chemoprevention Trial. Cancer Prevention Research. 17(12). 549–555. 2 indexed citations
5.
Domínguez, Ricardo L., et al.. (2024). Population-Based Study of Gastric Cancer Survival and Associations in Rural Western Honduras. Cancer Epidemiology Biomarkers & Prevention. 33(12). 1578–1585. 4 indexed citations
6.
Rodríguez, V., et al.. (2024). High Incidence of Gastric Cancer in El Salvador: A National Multisectorial Study during 2000 to 2014. Cancer Epidemiology Biomarkers & Prevention. 33(12). 1571–1577. 2 indexed citations
7.
Yadlapati, Rena, Dayna S. Early, Prasad G. Iyer, et al.. (2024). Quality indicators for upper GI endoscopy. Gastrointestinal Endoscopy. 101(2). 236–260. 5 indexed citations
8.
9.
In, Haejin, Alexandra M. Adams, Fei Wang, et al.. (2024). Pepsinogen and Helicobacter pylori: Serum biomarkers for gastric cancer risk in a diverse United States population. 1(3). 100086–100086. 1 indexed citations
10.
Peña-Galo, Edgar M., et al.. (2023). Enduring association between irritable bowel syndrome and war trauma during the Nicaragua civil war period: A population-based study. World Journal of Gastroenterology. 29(45). 5953–5961. 1 indexed citations
11.
Sierra, Johanna C., Giovanni Suárez, M. Blanca Piazuelo, et al.. (2019). α-Difluoromethylornithine reduces gastric carcinogenesis by causing mutations in Helicobacter pylori cagY. Proceedings of the National Academy of Sciences. 116(11). 5077–5085. 24 indexed citations
12.
Altayar, Osama, Perica Davitkov, Shailja C. Shah, et al.. (2019). AGA Technical Review on Gastric Intestinal Metaplasia—Epidemiology and Risk Factors. Gastroenterology. 158(3). 732–744.e16. 72 indexed citations
13.
Camargo, M. Constanza, Kyoung‐Mee Kim, Keitaro Matsuo, et al.. (2019). Circulating Antibodies against Epstein–Barr Virus (EBV) and p53 in EBV-Positive and -Negative Gastric Cancer. Cancer Epidemiology Biomarkers & Prevention. 29(2). 414–419. 9 indexed citations
14.
Davitkov, Perica, Osama Altayar, Shailja C. Shah, et al.. (2019). Advancing the Science in Gastric Pre-Neoplasia: Study Design Considerations. Gastroenterology. 158(3). 751–759. 1 indexed citations
15.
Mera, Robertino M., Luis Eduardo Bravo, M. Constanza Camargo, et al.. (2017). Dynamics of Helicobacter pylori infection as a determinant of progression of gastric precancerous lesions: 16-year follow-up of an eradication trial. Gut. 67(7). 1239–1246. 136 indexed citations
16.
Becker‐Dreps, Sylvia, Filemón Bucardo, Samuel Vilchez, et al.. (2014). Etiology of Childhood Diarrhea After Rotavirus Vaccine Introduction. The Pediatric Infectious Disease Journal. 33(11). 1156–1163. 87 indexed citations
17.
Chaturvedi, Rupesh, Mohammad Asim, M. Blanca Piazuelo, et al.. (2014). Activation of EGFR and ERBB2 by Helicobacter pylori Results in Survival of Gastric Epithelial Cells With DNA Damage. Gastroenterology. 146(7). 1739–1751.e14. 77 indexed citations
18.
19.
Porras, Carolina, Jesse Nodora, Rachael Sexton, et al.. (2012). Epidemiology of Helicobacter pylori infection in six Latin American countries (SWOG Trial S0701). Cancer Causes & Control. 24(2). 209–215. 111 indexed citations
20.
Morgan, Douglas R.. (2002). Diseases of the Gastrointestinal Mucosa, the Acid Related Disorders. Gastroenterology. 122(4). 1182–1182. 4 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 Alan Kawarai Lefor Breakdown of academic impact, for papers by Anne F. Peery Breakdown of academic impact, for papers by Jennifer L. Lund Breakdown of academic impact, for papers by Bart Maes Breakdown of academic impact, for papers by Elham Rahme Breakdown of academic impact, for papers by John M. Inadomi Breakdown of academic impact, for papers by Yuhong Yuan Breakdown of academic impact, for papers by Vishal Sharma Breakdown of academic impact, for papers by Michael Murphy Breakdown of academic impact, for papers by Brooks D. Cash
Rankless by CCL
2026