Marc Lémann

24.1k citations
181 papers · 13.1k indexed · 5 hit papers · h-index 57

Marc Lémann

171 papers receiving 12.7k citations

Hit Papers

Developing an instrument to assess the endoscopic severit...44120062026201220192505007501000

Peers

Marc Lémann
Comparison fields: 5 of 136
  • Genetics 8.5k
  • Gastroenterology 1.4k
  • Epidemiology 7.1k
  • Immunology 2.2k
  • Surgery 4.4k
Replace Gary R. Lichtenstein with:
Gary R. Lichtenstein United States
Jacques Cosnes France
Jack Satsangi United Kingdom
Édouard Louis Belgium
Axel Dignaß Germany
William J. Tremaine United States
Jean–Frédéric Colombel France
Allan Olson United States
Sandro Ardizzone Italy
Gerassimos J. Mantzaris Greece
Marc Lémann relative to Gary R. Lichtenstein United States Gary R. Lichtenstein's profile →
Citations per field
00.5×1.5×
Gary R. Lichtenstein · 1×
Citations per year

Countries citing papers authored by Marc Lémann

Since Specialization
Citations

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

Fields of papers citing papers by Marc Lémann

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Marc Lémann. 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 Marc Lémann. The network helps show where Marc Lémann may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Marc Lémann, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Marc Lémann Line = papers co-authored together Marc Lémann links everyone, so they are left out of the graph.

All Works

20 of 20 papers shown
#Work
1 2012129
2 201233
3 201177
4 2011345
5 2011148
6
Developing an instrument to assess the endoscopic severity of ulcerative colitis: the Ulcerative Colitis Endoscopic Index of Severity (UCEIS)breakdown →
2011441
7 20110
8 2010130
9 201016
10 200969
11 20084
12 200834
13
A Review of Activity Indices and Efficacy End Points for Clinical Trials of Medical Therapy in Adults With Ulcerative Colitisbreakdown →
2006903
14 2006287
15 2002200
16 19992
17 1999215
18 199626
19 199447
20 198747

About Marc Lémann

Marc Lémann is a scholar working on Gastroenterology, Genetics and Epidemiology, having authored 181 papers that have together received 13.1k indexed citations. Recurring topics across this work include Inflammatory Bowel Disease (102 papers), Microscopic Colitis (63 papers), Eosinophilic Esophagitis (29 papers), Autoimmune and Inflammatory Disorders (19 papers), Immunodeficiency and Autoimmune Disorders (16 papers), Gastrointestinal motility and disorders (12 papers), Acute Lymphoblastic Leukemia research (11 papers) and Diverticular Disease and Complications (10 papers). The work is most often cited by research in Genetics (8.5k citations), Gastroenterology (1.4k citations) and Epidemiology (7.1k citations). Marc Lémann has collaborated with scholars based in France, Belgium and United States. Frequent co-authors include Yoram Bouhnik, R Modigliani, Laurent Peyrin‐Biroulet, Jean–Yves Mary, Jacques Cosnes, Philippe Marteau, Jean‐Frédéric Colombel, Jean–Frédéric Colombel, Matthieu Allez and Geert D’Haens. Their work appears in journals such as Gastroenterology, The American Journal of Gastroenterology, Alimentary Pharmacology & Therapeutics, Inflammatory Bowel Diseases and Gut.

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.

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