All patients were treated with patient-controlled intravenous analgesia (PCIA) prepared with the corresponding drugs above.

各组患者分别接受上述药物配制的病人自控静脉镇痛。

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All patients were treated with patient-controlled intravenous analgesia (PCIA) prepared with the corresponding drugs above.

各组患者分别接受上述药物配制的病人自控静脉镇痛。

youdao