Age onset of tics and attention deficit hyperactive disorder as predicative factors of Sydenham´s chorea development in rheumatic fever patients - Mercadante, M. T.; Campos, Rosário M. C.; Dias, M. J. Marques; Kiss, Maria Helena; Leckman, J. F.; Lombroso, P.; Miguel Filho, Eurípedes Constantino; Prado, L. G.; Valee, R. C. (Third International Obsessive Compulsive Disorder Conference-IOCDC, 1998)