MUESES-MARIN, Héctor Fabio; TELLO-BOLIVAR, Inés Constanza; GALINDO-ORREGO, María Isabel  and  GALINDO-QUINTERO, Jaime. Perceptions about sexual risk, HIV and HIV-testing in Cali, Colombia. Colomb. Med. [online]. 2018, vol.49, n.2, pp.139-147. ISSN 1657-9534.