Human herpesvirus 8 (HHV-8) detected by nested polymerase chain reaction (PCR) in HIV patients with or without Kaposi's sarcoma. An analytic cross-sectional study - Machado, Paula Renata Lima; Farias, Kleber Juvenal Silva; Pereira, Maira Gabriela Martins; Freitas, Patrícia Pereira da Silva de; Fonseca, Benedito Antonio Lopes da (São Paulo Medical Journal, 2016)