S0849 Characteristics of Patients With Crohn's Disease by History of Perianal Fistula Who Enrolled in the Corrona® Inflammatory Bowel Disease Registry. (October 2020) - Fan, Yanni; Golembesky, Amanda; Moore, Page C.; Crabtree, Margaux; Mackey, Rachel H.; Aros, Silvia Delgado; Valdecantos, Wendell; Stidham, Ryan W.