@article{articlec8221054,
title   = {Disease activity as a major risk factor for osteonercrosis in early systemic lupus erythematosus},
author = {Fialho, S. C. M. S and Bonfá, Eloísa Silva Dutra de Oliveira and Vitule, L. F and D'Amico, E and Caparbo, Valeria de Falco and Gualandro, Sandra Fátima Menosi and Pereira, Rosa Maria Rodrigues},
year = {2007},
doi = {10.1177/0961203307076771},
journal   = {Lupus}
}