RODRÍGUEZ GÁZQUEZ, María de los Ángeles. Risk factors for pregnancy in teenagers. Medicina UPB, [S. l.], v. 27, n. 1, p. 47–58, 2008. Disponível em: https://revistas.upb.edu.co/index.php/medicina/article/view/2259. Acesso em: 25 may. 2026.