Preoperative assessment clinics.
D000758:Anesthesia; D001772:Blood Cell Count; D004347:Drug Interactions; D006801:Humans; D010044:Outpatient Clinics, Hospital; D010347:Patient Care Planning; D011183:Postoperative Complications / Q000517:prevention & control; D011300:Preoperative Care; D013902:Radiography, Thoracic; D013997:Time Factors