目的研究异丙嗪是否具有超前镇痛作用。
Objective To investigate whether promethazine has the effect of preemptive analgesia.
吩噻嗪类药物安全有效，通常首选异丙嗪(非那根)。
The phenothiazines are safe and effective, and promethazine (Phenergan) often is tried first.
吩噻嗪类药物安全有效，通常首选异丙嗪(非那根)。
The phenothiazines are safe and effective, and promethazine (Phenergan) often is tried first.
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