摘要
Objective To evaluate the best dosages,orders of administration and effects of opioids on the cardiovascular responses to tracheal intubation.Methods 135 patients undergoing elective surgery and requiring general anesthesia were randomized to 9 groups,15 patients in each group.We designed the orders...
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单位北京地坛医院; 首都医科大学; 北京朝阳医院