Heidemann, Ivonete Teresinha Schülter Buss, Antônio de Miranda Wosny, and Astrid Eggert Boehs. 2011. “Adolescent Mothers´ Health Promotion: Thematic Research on Family Health by Freire”. Rev Rene 12 (3). http://periodicos.ufc.br/rene/article/view/4293.