Soemantri, Soemantri, A. Soedigbia, I. Hardiman, Taty Hendarto, and Widjaja Widjaja. 1981. “Ferrous Sulfate Liquid for the Treatment of Iron Deficiency Anemia”. Paediatrica Indonesiana 21 (1-2), 21-34. https://doi.org/10.14238/pi21.1-2.1981.21-34.