Outcomes of Perianal Fistulising Crohn's Disease Following Anti-TNFα Treatment Discontinuation. Issue 6 (18th May 2018) - Legué, Clémence; Brochard, Charlène; Bessi, Grégoire; Wallenhorst, Timothée; Dewitte, Marie; Siproudhis, Laurent; Bouguen, Guillaume