Seroprevalence and Risk Factors of STIs among Rejected Blood Donors at the National Blood Transfusion Service in Angola - Sebastião, Cruz S.; Jandondo, Domingos; Vigário, João; António, Felícia; Sebastião, Joana M. K.; Silva, Maria L. S.; Pimentel, Victor; Abecasis, Ana; Sacomboio, Euclides; Vasconcelos, Jocelyne Neto; Morais, Joana F. M. (2025)