title: The acute abdomen--a review.
mesh_terms: D000006:Abdomen, Acute / Q000000981:diagnostic imaging / Q000209:etiology; D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging; D007416:Intestinal Perforation / Q000000981:diagnostic imaging; D007421:Intestine, Small / Q000000981:diagnostic imaging; D008641:Mesenteric Vascular Occlusion / Q000000981:diagnostic imaging; D008722:Methods; D011859:Radiography