POSTOPERATIVE RESPIRATORY COMPLICATIONS; A COMPARISON OF ARTERIAL GAS TENSIONS, RADIOGRAPHS AND PHYSICAL  EXAMINATION.
D003937:Diagnosis, Differential; D006863:Hydrogen-Ion Concentration; D006985:Hyperventilation; D000860:Hypoxia; D010808:Physical Examination; D011183:Postoperative Complications; D001261:Pulmonary Atelectasis; D013902:Radiography, Thoracic; D012119:Respiration
ANOXEMIA; ATELECTASIS; DIAGNOSIS, DIFFERENTIAL; HYDROGEN-ION CONCENTRATION; HYPERVENTILATION; POSTOPERATIVE COMPLICATIONS; RESPIRATION; THORACIC RADIOGRAPHY