Markum, A., C. Marwoto, M. Abdulsalam, D. Gatot, I. Wahidayat, and S. Muslichan. “Iron Deficiency and Childhool Morbidity”. Paediatrica Indonesiana, Vol. 21, no. 5-6, June 2007, pp. 132-40, doi:10.14238/pi21.5-6.1981.132-40.