title: [Free air below the diaphragm: not always an acute surgical problem].
authors.forename: A S
authors.initials: AS
authors.lastname: Jaarsma
authors.forename: K A
authors.initials: KA
authors.lastname: Bergman
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D007231:Infant, Newborn; D007416:Intestinal Perforation / Q000150:complications* / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008173:Lung Diseases, Obstructive / Q000175:diagnosis / Q000628:therapy; D011027:Pneumoperitoneum / Q000209:etiology*; D011175:Positive-Pressure Respiration / Q000009:adverse effects*; D011859:Radiography