General anaesthesia in the elderly.
D000759:Adjuvants, Anesthesia; D000368:Aged; D000768:Anesthesia, General; D000777:Anesthetics; D006801:Humans; D009026:Mortality; D011229:Preanesthetic Medication; D013514:Surgical Procedures, Operative
D000759:Adjuvants, Anesthesia; D000777:Anesthetics