title: Images in clinical medicine. Radiologic signs of pneumoperitoneum.
authors.affiliation: Chang Gung Memorial Hospital, Taoyuan, Taiwan. lancetlee@gmail.com
authors.forename: Ching-Hsing
authors.initials: CH
authors.lastname: Lee
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D011027:Pneumoperitoneum / Q000000981:diagnostic imaging*; D011859:Radiography