VASQUEZ-GUZMAN, Rocío A. et al. Evaluation of the prescription pattern of ferrous sulfate as a therapy for preventing iron deficiency anemia in infants. Bol. Med. Hosp. Infant. Mex. [online]. 2022, vol.79, n.6, pp.376-380.  Epub 13-Jan-2023. ISSN 1665-1146.