英语语法分析

AIM To evaluate the efficacy and safety of nicardipine and urapidil in controlling hypotension and their hemodynamic effects during transsphenoidal pituitectomy.

目的评估尼卡地平和乌拉地尔在经蝶垂体腺瘤摘除术中控制性降低血压的效果、安全性及其对血流动力学的影响。