Hendarto, S.K, S. Lazuardi, B. Madyono, M. Affandi, and Jos Utama. “Spasmophilia”. Paediatrica Indonesiana 18, no. 3-4 (June 13, 2017): 109–16. Accessed April 29, 2025. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/1468.