@article{article2042defd,
title   = {Frequency of Concurrent Autoimmune Disorders in Patients With Autoimmune Hepatitis: Effect of Age, Gender, and Genetic Background},
author = {Bittencourt, Paulo Lisboa and Farias, Alberto Queiroz and Porta, Gilda and Cançado, Eduardo L. R. and Miura, Irene and Pugliese, Renata and Kalil, Jorge and Goldberg, Anna C. and Carrilho, Flair J.},
year = {2008},
journal   = {Journal of Clinical Gastroenterology}
}