Heydarian, F., and M. Majdi. “Severe Neonatal Hyperbilirubinemia; Causes and Contributing Factors Leading to Exchange Transfusion at Ghaem Hospital in Mashhad”. Acta Medica Iranica, Vol. 48, no. 6, 1, pp. 399-02, https://acta.tums.ac.ir/index.php/acta/article/view/4072.