老年骨科患者采用全身麻醉和硬膜外麻醉对术后短期认知功能的影响探析
노년골과환자채용전신마취화경막외마취대술후단기인지공능적영향탐석
Postoperative Observation on the Elderly Patients in the Department of Or-thopedics, the Use of General Anesthesia and Epidural Anesthesia Effect on Cognitive Function of Short-term