Postoperative hypoxemia and age.
D000328:Adult; D000367:Age Factors; D006801:Humans; D000860:Hypoxia; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000008:administration & dosage; D010102:Oxygen Inhalation Therapy; D011183:Postoperative Complications
D010100:Oxygen