ONG, J.; BATH, M. F.; SWIFT, C.; AL-NAEEB, Y. DOES COLECTOMY AFFECT THE PROGRESSION OF PRIMARY SCLEROSING CHOLANGITIS? A SYSTEMATIC REVIEW AND META-ANALYSIS. Gastroenterology and Hepatology from Bed to Bench, v. 11, n. 4, p. 277-283, 11 Sep. 2018.