title: [Passage of marked microorganisms through the upper gastrointestinal tract].
mesh_terms: D004064:Digestive System / Q000382:microbiology*; D005745:Gastric Acidity Determination; D005746:Gastric Emptying; D006801:Humans; D007778:Lactobacillus / Q000302:isolation & purification*
vernacular_title: Zur Passage markierter Mikroorganismen durch den oberen Gastrointestinaltrakt.