[Countermeasures of geriatric postoperative pulmonary complications].
D000005:Abdomen / Q000601:surgery; D000367:Age Factors; D000368:Aged; D006801:Humans; D008171:Lung Diseases / Q000517:prevention & control* / Q000628:therapy; D008875:Middle Aged; D011183:Postoperative Complications / Q000517:prevention & control*