Karjomanggolo WT, Tamaela LA, Monintja HE. Cardiothoracic Ratio of "Normal" Newborn Babies. PI [Internet]. 2017Jul.11 [cited 2025May6];14(11-12):208-17. Available from: https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/1515