Oxygen breathing and QS-QT during postoperative pain relief in man.
D000368:Aged; D000758:Anesthesia; D000767:Anesthesia, Epidural; D005260:Female; D006801:Humans; D008297:Male; D008614:Meperidine / Q000627:therapeutic use; D008875:Middle Aged; D010102:Oxygen Inhalation Therapy / Q000009:adverse effects; D011182:Postoperative Care; D011650:Pulmonary Alveoli; D001261:Pulmonary Atelectasis / Q000209:etiology; D011652:Pulmonary Circulation; D012123:Pulmonary Ventilation; D014692:Ventilation-Perfusion Ratio
D008614:Meperidine