Lawang, Siti Aizah, Haryanty Huntoyungo, and Dasril Daud. “Brain Natriuretic Peptide and Atrial Septal Defect Size in Children”. Paediatrica Indonesiana 60, no. 5 (September 17, 2020): 277-82. Accessed November 24, 2024. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/2398.