Ciari Jr., Cyro, et al. “ The Use of an Hemoglobin Operational Curve (‘One Gram curve’) for the Iron Therapy of Pregnant Women ”. Revista De Saúde Pública, vol. 7, no. 4, Dec. 1973, pp. 369-75, https://doi.org/10.1590/S0034-89101973000400006.