title: Images in clinical medicine. Telltale triangle of pneumoperitoneum.
authors: Mackay Memorial Hospital, Taipei 10449, Taiwan. m.c.yuan928@gmail.com
authors: Ming-Yuan
authors: MY
authors: Huang
authors: Wen-Han
authors: WH
authors: Chang
mesh_terms: D018784:Abdominal Abscess / Q000150:complications / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000150:complications; D011027:Pneumoperitoneum / Q000000981:diagnostic imaging* / Q000209:etiology; D011860:Radiography, Abdominal; D013276:Stomach Ulcer / Q000150:complications