Ligation of intersphincteric fistula tract (LIFT) in treatment of anal fistula: An updated systematic review, meta-analysis, and meta-regression of the predictors of failure.
Emile SH, Khan SM, Adejumo A, Koroye O.
Surgery. 2020 Feb;167(2):484-492. doi: 10.1016/j.surg.2019.09.012. Epub 2019 Oct 21.