Cirocchi R, Farinella E, La Mura F, Cattorini L, Rossetti B, Milani D, Ricci P, Covarelli P, Coccetta M, Noya G, Sciannameo F. 2009 Nov. Fibrin glue in the treatment of anal fistula: a systematic review. Ann Surg Innov Res. 14;3:12.