2Pitt J,Boulos PB. Chemical sphincterotomy for anal fissures. Colorectal Dis, 1999,1 ( 1 ) : 2-8.
3张东铭.肛门局部解剖与手术学.合肥:安徽科学技术出版社,2002.129.
4国家中医药管理局.中医肛肠科病征诊断疗效标准.南京:南京大学出版社,1994.132.
5张东铭.盆底与肛门病学[M].贵阳:贵州科技出版社,2001.610.
6Eiscnhammer S. The evalualion of lhe internal anal sphineterolomy operation with special reference to anal fissure. Surg Gynecol Obstcr, 1959. 109:583.