title: Ischaemic bowel detected as hepatic portal venous gas on a chest X-ray.
authors.affiliation: Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong.
authors.forename: R M
authors.initials: RM
authors.lastname: Calcroft
authors.forename: G M
authors.initials: GM
authors.lastname: Joynt
authors.forename: J
authors.initials: J
authors.lastname: Kew