title: [Subdiaphragmatic extraperitoneal gas and pneumomediastinum].
mesh_terms: D000328:Adult; D003964:Diaphragm; D005260:Female; D005740:Gases; D006801:Humans; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging*; D011859:Radiography
chemical_list: D005740:Gases