title: [A study on postoperative pulmonary complication (author's transl)].
mesh_terms: D000368:Aged; D006801:Humans; D008171:Lung Diseases / Q000209:etiology*; D008875:Middle Aged; D011183:Postoperative Complications; D012128:Respiratory Distress Syndrome / Q000209:etiology / Q000473:pathology