Ong, J., M. F. Bath, C. Swift, and Y. Al-Naeeb. “DOES COLECTOMY AFFECT THE PROGRESSION OF PRIMARY SCLEROSING CHOLANGITIS? A SYSTEMATIC REVIEW AND META-ANALYSIS”. Gastroenterology and Hepatology from Bed to Bench, Vol. 11, no. 4, Sept. 2018, pp. 277-83, doi:10.22037/ghfbb.v11i4.1455.