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前言： 目的：探讨肛肠术后更有效的止痛方法。
Objective:To explore a better method in Acesodyne after Anorectal operation.
youdao
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安慰剂组术后使用止痛药更多。
The placebo group took higher rescue medication as well.
youdao
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安慰剂组术后使用止痛药更多。
The placebo group took higher rescue medication as well.
youdao