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
nominate 推荐的相关短语：推荐信 letter of recommendation ; recommendation letter ; reference letter ; Recommendation 推荐标准 Recommended Standard ; Recommendation ; Proposed Recommendation ;推荐理由 Introduce ; Recommend
虾虾虾虾酱
