Treatment of Perianal Fistulas in Crohn's Disease, Seton Versus Anti-TNF Versus Surgical Closure Following Anti-TNF [PISA]: A Randomised Controlled Trial.
J Crohns Colitis. 2020 Sep 7;14(8):1049-1056. doi: 10.1093/ecco-jcc/jjaa004.
J Crohns Colitis. 2020.
PMID: 31919501
Free PMC article.
Clinical Trial.