Diagnosis and molecular characterization of non-classic forms of Tay-Sachs disease in Brazil - Rozenberg, Roberto; Kok, Fernando; Burin, Maira Graeff; Miranda, M. C. Sá; Vasques, C.; Henriques-Souza, A. M. M.; Gugliani, R.; Vainzof, Mariz; Pereira, Lygia da Veiga (Journal of Child Neurology, 2006)