title: Gastric emptying of barium sulfate suspensions in humans: a useful tool for clinical investigations.
mesh_terms: D001466:Barium Sulfate / Q000494:pharmacology; D004064:Digestive System / Q000187:drug effects; D005767:Gastrointestinal Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D009130:Muscle, Smooth / Q000187:drug effects; D011859:Radiography
chemical_list: D001466:Barium Sulfate