Comparison of Patientcontrolled Intravenous Analgesic Effects of Different Concentrations of Butorphanol after Orthopedic Surgery
YU Honghui;LUO Ailin;ZHOU Biyun;CHEN Yinghong;TIAN Yuke
Herald of Medicine ›› 2007, Vol. 26 ›› Issue (9) : 999-1001.
Comparison of Patientcontrolled Intravenous Analgesic Effects of Different Concentrations of Butorphanol after Orthopedic Surgery
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