Surjono, Edward, Agus Firmansyah, and Jose Batubara. “Knowledge of Pediatrician on Gastroesophageal Reflux/gastroesophageal Reflux Disease in Children: A Preliminary Study”. Paediatrica Indonesiana 50, no. 6 (October 26, 2016): 336-9. Accessed November 22, 2024. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/964.