Fragile X screening for fraxa and fraxe mutations using PCR based studies among males with mild/moderate mental retardation of unknown origin: a Brazilian experience of community genetics - Lourenço, Charles Marques; Abreu, Ludmila Serafim de; Ribeiro, Daniela; Giusti, Elisabete; Viana, Vanessa Veríssimo; Bosse, Egeu; Lavoura, Luciana Benedeti; Viana, Antonia de Souza; Vidal, Daniele Candioto; Pina Neto, João Monteiro de (International Workshop on Fragile X an X-Linked Mental Retardation, 2009)