@article{article3c140cc7,
title   = {Frequency of HLA-B27 alleles in Brazilian patients with psoriatic arthritis},
author = {Bonfiglioli, Rubens and Conde, Roseneide A. and Sampaio-Barros, Percival D. and Louzada Júnior, Paulo and Donadi, Eduardo Antonio and Bertolo, Manoel B.},
year = {2008},
doi = {10.1007/s10067-007-0770-3},
journal   = {Clinical Rheumatology}
}