{"schema_version":"1","generated_at":"2026-11-11T13:29:57.261Z","data_as_of":null,"url":"https://www.findmykol.com/kol/h-martens","json_url":"https://www.findmykol.com/kol/h-martens/profile.json","record_kind":"basic","profile_kind":"research","person":{"slug":"h-martens","name":"H. Märtens","specialty":"Medicine","therapeutic_area":"Gastroenterology","therapeutic_areas":["Gastroenterology"],"institution":"Freie Universität Berlin","institution_url":"https://www.findmykol.com/institution/freie-universit-t-berlin","register":{"country":"DE"}},"identifiers":{"orcid":"0000-0001-8062-8073","openalex":"A5062459885"},"summary":"H. Märtens is a Gastroenterology researcher affiliated with Freie Universität Berlin. OpenAlex indexes 162 publications with 4,694 citations (h-index 40).","overview":null,"focus":{"indications":[],"research_topics":["Gastroenterology"]},"scholarship":{"works_count":162,"cited_by_count":4694,"h_index":40,"source":"works"},"payments":{"note":"Not applicable. This profile is anchored outside the United States, where CMS Open Payments and Medicare prescribing do not report."},"similar":[{"name":"Frank Schwab","slug":"frank-schwab-de","institution":"Freie Universität Berlin","url":"https://www.findmykol.com/kol/frank-schwab-de","json_url":"https://www.findmykol.com/kol/frank-schwab-de/profile.json"},{"name":"Achim Dieter Gruber","slug":"achim-gruber","institution":"Freie Universität Berlin","url":"https://www.findmykol.com/kol/achim-gruber","json_url":"https://www.findmykol.com/kol/achim-gruber/profile.json"},{"name":"Carsten Stephan","slug":"carsten-stephan","institution":"Freie Universität Berlin","url":"https://www.findmykol.com/kol/carsten-stephan","json_url":"https://www.findmykol.com/kol/carsten-stephan/profile.json"},{"name":"Georg von Samson‐Himmelstjerna","slug":"georg-samsonhimmelstjerna","institution":"Freie Universität Berlin","url":"https://www.findmykol.com/kol/georg-samsonhimmelstjerna","json_url":"https://www.findmykol.com/kol/georg-samsonhimmelstjerna/profile.json"},{"name":"Charles Rice","slug":"charles-rice","institution":"The Rockefeller University","specialty":"Gastroenterology","url":"https://www.findmykol.com/kol/charles-rice","json_url":"https://www.findmykol.com/kol/charles-rice/profile.json"},{"name":"Jean-Frederic Colombel","slug":"jean-frederic-colombel","institution":"Icahn School of Medicine at Mount Sinai","specialty":"Gastroenterology","url":"https://www.findmykol.com/kol/jean-frederic-colombel","json_url":"https://www.findmykol.com/kol/jean-frederic-colombel/profile.json"},{"name":"Edward Loftus","slug":"edward-loftus","institution":"Mayo Clinic Rochester","specialty":"Gastroenterology","url":"https://www.findmykol.com/kol/edward-loftus","json_url":"https://www.findmykol.com/kol/edward-loftus/profile.json"},{"name":"Kris Kowdley","slug":"kris-kowdley","institution":"Washington State University","specialty":"Gastroenterology","url":"https://www.findmykol.com/kol/kris-kowdley","json_url":"https://www.findmykol.com/kol/kris-kowdley/profile.json"}],"coverage":{"note":"A basic directory record. Sections absent here were not yet checked for this person, so absence means not yet looked, never none found.","not_yet_checked":["funding","congress","network","presence","recognition"]},"not_included":{"note":"This document is the public layer: neutral facts cited to their source. Judgments (influence tier, archetype, trajectory commentary) and the itemized rows past each section's public teaser are account features and are not served here or to crawlers.","withheld_rows":{}},"sources":{"orcid":{"name":"ORCID","url":"https://orcid.org","provides":"The verified researcher identity that anchors authorship"},"works":{"name":"OpenAlex","url":"https://openalex.org","provides":"Citations, h-index, research topics, most-cited works and congress abstracts"}},"methodology_url":"https://www.findmykol.com/about#methodology"}