No association of + 49A/G polymorhism in exon 1 of CTLA-4 gene with type 1 diabetes and its clinical presentation in brazilians - Gamberini, Marcia; Davini, Elaine; Alves, Lais I.; Rocha, Dalva Marreiro; Silva, Maria E. R. (ENDO 06 - Annual Meeting the endocrine society's, 2006)