title: Hypogastrinemia and sphincter incompetence.
mesh_terms: D000818:Animals; D004931:Esophageal Achalasia / Q000503:physiopathology; D004947:Esophagus / Q000187:drug effects / Q000503:physiopathology*; D005750:Gastric Juice / Q000378:metabolism; D005755:Gastrins / Q000494:pharmacology / Q000502:physiology*; D005764:Gastroesophageal Reflux / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D009130:Muscle, Smooth / Q000503:physiopathology; D009893:Opossums; D011312:Pressure
chemical_list: D005755:Gastrins