1. P653 Ligation of the intersphincteric fistula tract vs. endorectal advancement flap for high perianal fistulas in Crohn's disease: a retrospective cohort study. (25th January 2019) Authors: van Praag, E; Stellingwerf, M; van der Bilt, J; Gecse, K; Bemelman, W; Buskens, C Journal: Journal of Crohn's and colitis Issue: Volume 13(2019)Supplement 1 Page Start: S445 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗