title: [Pneumoperitoneum].
authors.affiliation: Servicio de Gastrocirugía del Hospital de Especialidades del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, México, D. F.
authors.forename: José Louis
authors.initials: JL
authors.lastname: Martínez-Ordaz
authors.forename: Roberto
authors.initials: R
authors.lastname: Blanco-Benavides
mesh_terms: D006801:Humans; D007082:Ileum; D007416:Intestinal Perforation / Q000150:complications*; D008297:Male; D008875:Middle Aged; D011027:Pneumoperitoneum / Q000000981:diagnostic imaging* / Q000209:etiology; D011859:Radiography