title: Pap boat.
authors.affiliation: American College of Gastroenterology.
authors.forename: R E
authors.initials: RE
authors.lastname: Kravetz
mesh_terms: D004750:Enteral Nutrition / Q000266:history* / Q000295:instrumentation; D049670:History, 17th Century; D049672:History, 19th Century; D006801:Humans