Yano, Helena Miyoco, et al. “Evaluation of the Quality of Pharmaceutical Formulations Containing Ferrous Sulfate Supplied in the Public Health System”. Infarma - Pharmaceutical Sciences, vol. 28, no. 2, July 2016, pp. 75-80, doi:10.14450/2318-9312.v28.e2.a2016.pp75-80.