Comparison of the long-term efficacy and safety of multiple endoscopic rubber band ligations in a single session for varying grades of internal hemorrhoids
痔疮
医学
临床终点
外科
结扎
入射(几何)
胃肠病学
随机对照试验
物理
光学
作者
Ke Xiong,Qian Zhao,Wanli Li,Tingting Yao,Yuan Su,Jiajia Wang,Fang Hou