Molecular characterization of human T-cell lymphotropic virus type 2 (HTLV-II) from people living in urban areas of Sao Paulo City: evidence of multiple subtypes circulation - Novoa, Patricia; Oliveira, Augusto Cesar Penalva de; Vergara, Maria Paulina Posada; Duarte, Alberto José da Silva; Casseb, Jorge Simão do Rosário (Journal of Medical Virology, 2007)