Adherence of pregnant women from three Basic Health Units in a city in southern Tocantins to the use of folic acid and ferrous sulfate. Acervo Saúde [Internet]. 19 de julio de 2022 [citado 3 de noviembre de 2026];15(7):e10692. Disponible en: https://acervomais.com.br/saude/article/view/10692