title: ABC of the upper gastrointestinal tract: Anorexia, nausea, vomiting, and pain.
authors.forename: R C
authors.initials: RC
authors.lastname: Spiller
mesh_terms: D000328:Adult; D000855:Anorexia / Q000209:etiology; D003109:Colonic Diseases, Functional / Q000150:complications / Q000175:diagnosis; D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000150:complications / Q000175:diagnosis; D004415:Dyspepsia / Q000150:complications / Q000175:diagnosis; D004724:Endoscopy; D005764:Gastroesophageal Reflux / Q000150:complications / Q000175:diagnosis; D005767:Gastrointestinal Diseases / Q000209:etiology*; D016481:Helicobacter Infections / Q000175:diagnosis; D006801:Humans; D008875:Middle Aged; D009325:Nausea / Q000209:etiology; D010146:Pain / Q000209:etiology; D014839:Vomiting / Q000209:etiology