title: [Gastrointestinal probe].
authors.forename: A F
authors.initials: AF
authors.lastname: Kreknin
authors.forename: A A
authors.initials: AA
authors.lastname: Kreknin
mesh_terms: D002404:Catheterization / Q000295:instrumentation*; D004064:Digestive System; D004386:Duodenum / Q000378:metabolism; D005745:Gastric Acidity Determination; D005750:Gastric Juice; D006801:Humans