The Chinese Medical Journal(CMJ)创刊于1887年,当时名称为The China Medical MissionaryJournal,后经数次更名,最终于1932年正式定名为The Chinese MedicalJournal。该刊为中华医学会会刊,目前由中国科协主管、《
Method:Chose 60 patients who only did nephrectomy,aged between 30 and 65, and weighed from 45kg to 80kg in both ASA was I or II. The patients were also divided into two groups randomly: The