Wisnumurti, Dewi. “Congenital Malformations in the Neonatal Unit of Arifin Achmad Hospital, Pekanbaru: Occurrence and Trends”. Paediatrica Indonesiana 52, no. 5 (October 31, 2012): 284-8. Accessed April 20, 2024. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/475.