@misc{miscc320699a,
title   = {Susceptibility to primary sclerosing cholangitis in Brazil is associated with HLA-DRB1*13 but not with tumour necrosis factor alfa: 308 promoter polymorphism},
author = {Bittencourt, P. L. and Palacios, S. A. and Cançado, E. L. R. and Carrilho, Flair José and Porta, Gilda and Kalil Filho, Jorge Elias and Goldberg, A. C.},
year = {2002},
journal   = {Gut}
}