Engstrom EM, Castro IRR de, Portela M, Cardoso LO, Monteiro CA. Effectiveness of daily and weekly iron supplementation in the prevention of anemia in infants . Rev. saúde pública [Internet]. 2008 Oct. 1 [cited 2024 May 6];42(5):786-95. Available from: https://www.revistas.usp.br/rsp/article/view/32499