Article Title,Year,Volume,Issue,Page Range,Author
Gender identity in adolescents of the lower classes,1993,10,22,68-75,de Alonso
Demography and health: a survey for the socioeconomic development of the country,1995,13,26,6-12,Velez Venegas
For a sexual health free from violence,1995,13,26,4-5,
Sexual violence. Towards a healthy sexuality,1998,16,31,5-9,Londono Velez
Male sexual and reproductive rights,1998,16,31,25-30,Diaz