4Steele SR, Kumar R, Feingold DL, et al. Practice Parameters for the Management of Perianal Abscess and Fistula-in-Ano. Dis Colon Rectum, 2011,54(12) : 1465-1474.
5Ommer A, Herold A, Berg E, et al. German S3 guideline: anal abscess. Int J Colorectal Dis, 2012,27 (6) : 831-837.
6Tan KK, Tan I J, Lim FS, et al. The anatomy of failures following the ligation of intersphincteric tract technique for anal fistula: a review of 93 patients over 4 years. Dis Colon Rectum, 2011,54( 11 ) : 1368-1372.
7Ellis CN. Outcomes with the use of bioprosthetic grafts to reinforce the ligation of the intersphincteric fistula tract (BioLIFT procedure) for the management of complex anal fistulas. Dis Colon Rectum, 2010,53(10) : 1361-1364.
