Siregar, O., B. Lubis, M. Lubis, B. Lubis, and G. Tjipta. “Delayed Cord Clamping for Prevention of Iron Deficiency Anemia in Term Infants”. Paediatrica Indonesiana, Vol. 52, no. 4, Aug. 2012, pp. 223-8, doi:10.14238/pi52.4.2012.223-8.