Posada-Vergara, Maria Paulina, et al. “ Clinical and Epidemiological Aspects of HTLV-II Infection in São Paulo, Brazil: Presence of Tropical Spastic Paraparesis HTLV-Associated Myelopathy (TSP HAM) Simile Diagnosis in HIV-1-Co-Infected Subjects ”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 48, no. 4, Aug. 2006, pp. 207-10, https://www.revistas.usp.br/rimtsp/article/view/31009.