吗啡与氢吗啡酮在硬膜外自控镇痛的比较：meta分析
陈伟强， 郑春勤， 曹铭辉*
Comparison of patient controlled epidural analgesia effect between morphine and hydromorphone： meta?analysis
CHEN Weiqiang1， ZHENG Chunqin2， CAO Minghui3
岭南现代临床外科
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2019, (04): 451
-454
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DOI: 10.3969/j.issn.1009?976X.2019.04.017
