Vitamin D receptor (VDR) gene polymorphisms and susceptibility to systemic lupus erythematosus clinical manifestations - Silva, J de Azevêdo; Fernandes, K. Monteiro; Pancotto, J. A Trés; Fragoso, T. Sotero; Donadi, Eduardo Antônio; Crovella, S.; Sandrin-Garcia, P. (Lupus, 2013)