Sexual culture and rebellion in Costarican youth : impact on the risk of HIV/AIDS infection - Schifter Sikora, Jacobo 1952- ([editor no identificado], 1996)
A la cabeza de la portada: Instituto Latinoamericano de Prevención y Educación en Salud (Latin American Kealth and Prevention Institute)–En la cubierta: Research was financed by the Social and Behavioral Studies and Support Unit of the World Health Organization´s Global Programme on AIDS