title: An Unusual Case of Intra-Abdominal Air.
authors.affiliation: Division of Gastroenterology, Chung Shan Medical University Hospital, Taiwan; School of Medicine of Chung Shan Medical University, Taiwan.
authors.forename: Tzu-Wei
authors.initials: TW
authors.lastname: Yang
authors.affiliation: Division of Gastroenterology, Chung Shan Medical University Hospital, Taiwan; Institute of Medicine, Taiwan.
authors.forename: Hsuan-Yi
authors.initials: HY
authors.lastname: Chen
authors.affiliation: Division of Gastroenterology, Chung Shan Medical University Hospital, Taiwan; Institute of Medicine, Taiwan.
authors.forename: Ming-Chang
authors.initials: MC
authors.lastname: Tsai
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D041882:Emphysematous Cholecystitis / Q000150:complications* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D012188:Retropneumoperitoneum / Q000000981:diagnostic imaging / Q000209:etiology*