Gravata, Andreia, Rita Castro, and João Borges-Costa. 2016. “Study of the Sociodemographic Factors and Risky Behaviours Associated With the Acquisition of Sexual Transmitted Infections by Foreign Exchange Students in Portugal”. Acta Médica Portuguesa 29 (6). Lisbon, Portugal:360-66. https://doi.org/10.20344/amp.6992.