Zimmermmann, Juliana Barroso, Victor Hugo Melo, Márcio José M. Alves, and Sebastião G. Zimmermmann. 2008. “Sexual Activity before and After Diagnosis of Infection by Virus of Human Immunodeficiency: Is There Any Change?”. Brazilian Journal of Sexually Transmitted Diseases 20 (3-4). Niterói:185-89. https://bdst.emnuvens.com.br/revista/article/view/946.