X-ray negative dyspepsia.
D004415:Dyspepsia / Q000188:drug therapy / Q000209:etiology*; D005247:Feeding Behavior; D005750:Gastric Juice / Q000187:drug effects; D005756:Gastritis / Q000150:complications; D005767:Gastrointestinal Diseases / Q000000981:diagnostic imaging*; D005769:Gastrointestinal Motility; D006356:Heartburn / Q000209:etiology; D006801:Humans; D011859:Radiography