title: Pyloric sphincter incompetence in man--a nonphysiological variant.
mesh_terms: D001660:Biliary Tract Diseases / Q000601:surgery; D003973:Diatrizoate; D004386:Duodenum / Q000502:physiology; D006801:Humans; D008365:Manometry; D009997:Osmotic Pressure; D011312:Pressure; D011708:Pylorus / Q000502:physiology*
chemical_list: D003973:Diatrizoate