@misc{misc62af73f0,
title   = {Analysis of major histocompatibility complex antigens and CTLA-4 alleles in patients with primary sclerosing cholangitis},
author = {Bittencourt, Paulo L. and Palacios, Selma A. and Cancado, Eduardo L. and Goldberg, Anna C. and Porta, Gilda and Carrilho, Flair José and Laudanna, Antônio Atílio and Kalil, Jorge},
year = {2002},
booktitle   = {AASLD Annual Meeting and Postgraduate Courses}
}