Natural history of primary sclerosing cholangitis and prognostic value of cholangiography in a Dutch population
C Y Ponsioen, S M E Vrouenraets, W Prawirodirdjo, R Rajaram, E A J Rauws, C J J Mulder, J B Reitsma, S H Heisterkamp, G N J Tytgat
Gut Oct 2002, 51 (4) 562-566; DOI: 10.1136/gut.51.4.562
