The effect of epidural sufentanil in ropivacaine on urinary retention in patients undergoing gastrectomy.
The effect of epidural sufentanil in ropivacaine on urinary retention in patients undergoing gastrectomy.
胃切除术患者用含有苏芬太尼的罗哌卡因行术后镇痛，（观察其）对尿潴留的影响。
The effect of epidural sufentanil in ropivacaine on urinary retention in patients undergoing gastrectomy.
胃切除术患者用含有苏芬太尼的罗哌卡因行术后镇痛，（观察其）对尿潴留的影响。