title: [The cause of hypoxemia after abdominal surgery-study of arterial-alveolar nitrogen difference (author's transl)].
mesh_terms: D000005:Abdomen / Q000601:surgery*; D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D000860:Hypoxia / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D009584:Nitrogen / Q000097:blood; D010313:Partial Pressure; D011183:Postoperative Complications; D011650:Pulmonary Alveoli / Q000503:physiopathology
chemical_list: D009584:Nitrogen