TY - JOUR T1 - HTLV-I associated myelopathy / tropical spastic paraparesis: report of the first cases in Rio Grande do Sul, Brazil JO - Arquivos de Neuro-Psiquiatria A1 - Haussen, Sérgio Roberto A1 - Vecino, Maria Cecilia de SN - 0004-282X UL - 10.1590/S0004-282X1995000400010 VL - 53 Y1 - 1995 PB - Brazil ER -