Molecular epidemiology of HTLV-1 infection in asympomatic carriers and HAM/TSP patients from São Paulo, Brazil - Segurado, Aluísio Augusto Cotrim; Jorge, M. L.; Damas, C.; Biassuti, C.; Rodrigues, C.; Muniz, M.; Domingues, R.; Marchiori, P.; Pannuti, Cláudio Sérgio; Vilas-Boas, L. (Meeting of the European Tumor Virus Group, 1999)