芬太尼复合液PCIA或PCNA用于上肢骨折术后镇痛的效果观察
분태니복합액PCIA혹PCNA용우상지골절술후진통적효과관찰
The analgesic effect after the operation of upper-arm fracture with infused fentanyl into brachial plexus or intravenous
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