Almeida, Nilza, Mariana Melo, Isabel Soares, and Helena Moura Carvalho. 2020. “Screening of Human Immunodeficiency Virus and Other Sexually Transmitted Infections in a Group of Sex Workers in Indoor Settings in the Porto Metropolitan Area”. Acta Médica Portuguesa 33 (3). Lisbon, Portugal:166-73. https://doi.org/10.20344/amp.11687.