Evaluation of genetic susceptibility to primary sclerosing cholangitis in Brazil - Marin, M. L. C; Bittencourt, P. L; Palácios, S. A; Porta, G; Cancado, Eduardo Luiz Rachid; Miura, I. K; Lopes, Célio; Kalil Filho, Jorge Elias; Coelho, Veronica (Meeting of the brazilian society of immunology, 2004)