John R. Semler

584 total citations
24 papers, 428 citations indexed

About

John R. Semler is a scholar working on Gastroenterology, Surgery and Nutrition and Dietetics. According to data from OpenAlex, John R. Semler has authored 24 papers receiving a total of 428 indexed citations (citations by other indexed papers that have themselves been cited), including 18 papers in Gastroenterology, 12 papers in Surgery and 5 papers in Nutrition and Dietetics. Recurrent topics in John R. Semler's work include Gastrointestinal motility and disorders (17 papers), Gastroesophageal reflux and treatments (8 papers) and Helicobacter pylori-related gastroenterology studies (6 papers). John R. Semler is often cited by papers focused on Gastrointestinal motility and disorders (17 papers), Gastroesophageal reflux and treatments (8 papers) and Helicobacter pylori-related gastroenterology studies (6 papers). John R. Semler collaborates with scholars based in United States. John R. Semler's co-authors include Braden Kuo, Pankaj J. Pasricha, Maria Ciarleglio, Bani Chander Roland, John O. Clarke, Gerard E. Mullin, Gregory E. Wilding, William L. Hasler, Michael D. Sitrin and Richard W. McCallum and has published in prestigious journals such as Gastroenterology, PLoS ONE and The American Journal of Gastroenterology.

In The Last Decade

John R. Semler

24 papers receiving 414 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
John R. Semler United States 8 228 172 117 66 59 24 428
Renato A. Luna Brazil 9 239 1.0× 299 1.7× 200 1.7× 168 2.5× 72 1.2× 19 588
Christian Pehl Germany 18 507 2.2× 491 2.9× 50 0.4× 77 1.2× 19 0.3× 59 819
Rossella Palma Italy 12 100 0.4× 204 1.2× 74 0.6× 59 0.9× 13 0.2× 33 439
B Meyer-Wyss Switzerland 13 186 0.8× 254 1.5× 85 0.7× 88 1.3× 12 0.2× 19 546
Tomotaka Shindo Japan 14 371 1.6× 359 2.1× 78 0.7× 57 0.9× 9 0.2× 28 573
Nuha Alammar Saudi Arabia 5 198 0.9× 165 1.0× 107 0.9× 75 1.1× 16 0.3× 6 384
Elizabeth Barba Spain 11 271 1.2× 135 0.8× 29 0.2× 90 1.4× 35 0.6× 30 393
Attila Nagy Hungary 5 92 0.4× 164 1.0× 58 0.5× 64 1.0× 20 0.3× 6 290
Shafik Sidani United States 12 291 1.3× 312 1.8× 103 0.9× 89 1.3× 11 0.2× 17 640
L. Rasciti Italy 4 184 0.8× 154 0.9× 19 0.2× 62 0.9× 15 0.3× 8 351

Countries citing papers authored by John R. Semler

Since Specialization
Citations

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

Fields of papers citing papers by John R. Semler

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of John R. Semler

This figure shows the co-authorship network connecting the top 25 collaborators of John R. Semler. A scholar is included among the top collaborators of John R. Semler 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 John R. Semler. John R. Semler 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.
Coleski, Radoslav, Gregory E. Wilding, John R. Semler, & William L. Hasler. (2015). Blunting of Colon Contractions in Diabetics with Gastroparesis Quantified by Wireless Motility Capsule Methods. PLoS ONE. 10(10). e0141183–e0141183. 20 indexed citations
2.
Moore, John J., Gregory E. Wilding, Elias Khawam, et al.. (2014). Detection of drug effects on gastric emptying and contractility using a wireless motility capsule. BMC Gastroenterology. 14(1). 2–2. 25 indexed citations
3.
Roland, Bani Chander, Maria Ciarleglio, John O. Clarke, et al.. (2014). Low Ileocecal Valve Pressure Is Significantly Associated with Small Intestinal Bacterial Overgrowth (SIBO). Digestive Diseases and Sciences. 59(6). 1269–1277. 36 indexed citations
4.
Roland, Bani Chander, Maria Ciarleglio, John O. Clarke, et al.. (2014). Small Intestinal Transit Time Is Delayed in Small Intestinal Bacterial Overgrowth. Journal of Clinical Gastroenterology. 49(7). 571–576. 70 indexed citations
5.
Parkman, Henry P., et al.. (2012). Tu1489 Characterization of Rapid Gastric Emptying Using the Wireless Motility Capsule. Gastroenterology. 142(5). S–847. 1 indexed citations
6.
Saad, Richard J., John R. Semler, Gregory E. Wilding, & William D. Chey. (2012). Mo1968 Advancing Age is Associated With Progressive Delays in Colon Transit in Patients With Chronic Constipation. Gastroenterology. 142(5). S–710. 1 indexed citations
7.
Camilleri, Michael, Yehuda Ringel, William L. Hasler, et al.. (2010). S1304 Wireless pH-Motility Capsule for Colonic Transit: Prospective Comparison With Radiopaque Markers in Chronic Constipation. Gastroenterology. 138(5). S–224. 2 indexed citations
8.
Ringel, Yehuda, Daniel Gelfond, Joseph Galanko, et al.. (2010). Alterations in Intestinal Transit in Subgroups of Patients with Functional Bowel Disorders and Healthy Controls - A Wireless Motility Capsule Study. The American Journal of Gastroenterology. 105. S498–S498. 2 indexed citations
9.
Semler, John R., et al.. (2010). Impact of Acid Suppression on Upper Gastrointestinal pH and Motility. Digestive Diseases and Sciences. 56(6). 1735–1742. 37 indexed citations
10.
Chey, William D., Monthira Maneerattanaporn, William L. Hasler, et al.. (2010). S1333 A Comparison of Two Radio-Opaque Marker Methodologies in the Assessment of Colonic Transit of Adults With Constipation. Gastroenterology. 138(5). S–231. 1 indexed citations
11.
Rao, Satish S.C., Jessica Valestin, Anilchandra Attaluri, Gregory E. Wilding, & John R. Semler. (2010). Inter-observer Agreement for Regional and Whole Gut Transit Measurement by Wireless Motility Capsule in Health, Gastroparesis and Constipation. The American Journal of Gastroenterology. 105. S498–S499. 2 indexed citations
12.
Saad, Richard J., John R. Semler, Gregory E. Wilding, & William D. Chey. (2010). 896 The Effect of Age on Regional and Whole Gut Transit Times in Healthy Adults. Gastroenterology. 138(5). S–127. 4 indexed citations
13.
McCallum, Richard W., Kenneth L. Koch, Michael D. Sitrin, et al.. (2010). M2016 Comparison of Small Bowel Postprandial Response in Healthy, Gastroparetic and Constipated Subjects as Measured by Wireless Motility Capsule (WMC). Gastroenterology. 138(5). S–459. 3 indexed citations
15.
Hasler, William L., Richard J. Saad, Satish S.C. Rao, et al.. (2009). Heightened colon motor activity measured by a wireless capsule in patients with constipation: relation to colon transit and IBS. American Journal of Physiology-Gastrointestinal and Liver Physiology. 297(6). G1107–G1114. 62 indexed citations
16.
Bucur, Maria, Richard W. McCallum, Kenneth L. Koch, et al.. (2009). W1234 A Comparison of Small Bowel pH Profiles in Healthy Subjects and Patients with Gastroparesis As Measured By a Non-Invasive Wireless Capsule. Gastroenterology. 136(5). A–683. 2 indexed citations
17.
Hasler, William L., Richard W. McCallum, Satish S.C. Rao, et al.. (2009). S1268 Region-Specific Motor Patterns and pH Profiles in Unprepared Human Colon Quantified By Simultaneous Radiography and Wireless Capsule Measurements. Gastroenterology. 136(5). A–225. 2 indexed citations
18.
Moore, John G., Gregory E. Wilding, Elias Khawam, et al.. (2009). T1271 Assessment of Drug Effects On Gastric Emptying and Contractility Using Wireless Capsule Manometry. Gastroenterology. 136(5). A–536. 1 indexed citations
19.
Hasler, William L., Radoslav Coleski, William D. Chey, et al.. (2008). Differences in intragastric pH in diabetic vs. idiopathic gastroparesis: relation to degree of gastric retention. American Journal of Physiology-Gastrointestinal and Liver Physiology. 294(6). G1384–G1391. 34 indexed citations
20.
Borowitz, Drucy, Peter R. Durie, Lane L. Clarke, et al.. (2005). Gastrointestinal Outcomes and Confounders in Cystic Fibrosis. Journal of Pediatric Gastroenterology and Nutrition. 41(3). 273–285. 117 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

Rankless by CCL
2026