Biffoli, F [The effect of anesthesiologic technique on the mental state of elderly patients submitted for orthopedic surgery of the lower limbs]. [electronic resource] - Minerva anestesiologica - 13-9 p. digital Publication Type: Clinical Trial; Comparative Study; English Abstract; Journal Article; Randomized Controlled Trial ISSN: 0375-9393 Subjects--Topical Terms: Aged--psychologyAnesthesiaAnesthesia, GeneralAnesthesia, SpinalHumansLeg--surgeryOrthopedic ProceduresPostoperative Complications--psychology