METHODS: A randomized clinical trial of 53 consecutive patients requiring elective haemorrhoidectomy was carried out.

方法：对53个连续收治要求痔切除术的患者进行随机临床试验。

youdao

METHODS: A randomized clinical trial of 53 consecutive patients requiring elective haemorrhoidectomy was carried out.

方法：对53个连续收治要求痔切除术的患者进行随机临床试验。

youdao