title: [Pneumoperitoneum. A remarkable technique for its detection (author's transl)].
abstract: A study made in 30 cases indicated that, in contrast to current habits, the emergency erect plain film of the abdomen used to detect a pneumoperitoneum should be taken in expiration. A film in inspiration may be considered to be a supplementary view.
mesh_terms: D006801:Humans; D008722:Methods; D011027:Pneumoperitoneum / Q000000981:diagnostic imaging*; D011859:Radiography
vernacular_title: Le pneumopéritoine. Une remarque technique pour sa recherche