外切缝合内扎加硬注术治疗Ⅲ~Ⅳ度混合痔疗效观察
외절봉합내찰가경주술치료Ⅲ~Ⅳ도혼합치료효관찰
Clinical Observation on External Excision and Suture and Internal Ligation plus Sclerotherapy for Ⅲ~Ⅳ Degree Mixed Hemorrhoids