8Cirocco WC, Reilly TC. Challenging the predictive accuracy of Goodsall's rule for anal fistulas. Dis Colma Rectum, 1992,35(6):537.
9国家中医药管理局.中华人民共和国中医药行业标准[M].南京:南京大学出版社,1994.132.
10Celi D,Desogus AI,Cucinotta A,et al. Complex anal fistula with a recess above the levator ani muscles: report of a case complicated by haemorrhagic colitis. Chirurgia Italiana. 2005, 57(4) :531-4.