De Jong, J J [Free air below the diaphragm: not always an acute surgical problem]. [electronic resource] - Nederlands tijdschrift voor geneeskunde Oct 1999 - 2033-7 p. digital Publication Type: Case Reports; Journal Article; Review ISSN: 0028-2162 Subjects--Topical Terms: AdultAgedColon, Sigmoid--pathologyDiagnosis, DifferentialFatal OutcomeFemaleHumansIntestinal Perforation--complicationsLung Diseases, Obstructive--complicationsMalePneumonia--complicationsPneumoperitoneum--diagnostic imagingRadiographyTreatment Outcome