title: Unusual causes of abdominal pain.
authors.affiliation: Division of Gastroenterology, Department of Surgery, China Medical University Hospital, China Medical University, Taichung, Taiwan.
authors.forename: Tsung-Yu
authors.initials: TY
authors.lastname: Tsai
authors.affiliation: Division of Gastroenterology, Department of Surgery, China Medical University Hospital, China Medical University, Taichung, Taiwan.
authors.forename: Yang-Yuan
authors.initials: YY
authors.lastname: Chen
authors.affiliation: Division of Gastroenterology, Department of Surgery, China Medical University Hospital, China Medical University, Taichung, Taiwan.
authors.forename: Ming-Hsin
authors.initials: MH
authors.lastname: Lee
mesh_terms: D015746:Abdominal Pain / Q000209:etiology; D000368:Aged; D004381:Duodenal Ulcer / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D008107:Liver Diseases / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D008297:Male; D010439:Peptic Ulcer Perforation / Q000150:complications / Q000175:diagnosis* / Q000601:surgery