title: [Upper abdominal complaints of unknown origin].
mesh_terms: D000005:Abdomen; D003937:Diagnosis, Differential; D006801:Humans; D008104:Liver Cirrhosis, Alcoholic / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000209:etiology
vernacular_title: Unklare Oberbauchbeschwerden.