Time-dependent Cox regression model is superior in prediction of prognosis in primary sclerosing cholangitis. (Hepatology (Baltimore, Md.), 2002)

(untitled) - Boberg, K; Rocca, G; Egeland, T; Bergquist, A; Broomé, U; Caballeria, L; Chapman, R; Hultcrantz, R; Mitchell, S; Pares, A; Rosina, F; Schrumpf, E