title: Ismar Boas: father of gastroenterology and founder of the oldest surviving publication in digestive diseases.
authors.forename: Lawrence J
authors.initials: LJ
authors.lastname: Brandt
mesh_terms: D005762:Gastroenterology / Q000266:history*; D005858:Germany; D049672:History, 19th Century; D006801:Humans; D010506:Periodicals as Topic / Q000266:history*