Camargo, Brigido Vizeu, et al. “ Romantic Relationships, Sexual Behavior and Vulnerability of African-Descending and White Adolescents Towards HIV AIDS ”. Saúde E Sociedade, vol. 19, no. supl.2, Dec. 2010, pp. 36-50, https://doi.org/10.1590/S0104-12902010000600005.