Perma Iskandar, Adhi, Risma Kaban, and Mulyadi Djer. “Heated, Humidified High-Flow Nasal Cannula Vs. Nasal CPAP in Infants With Moderate Respiratory Distress”. Paediatrica Indonesiana 59, no. 6 (December 11, 2019): 331-9. Accessed October 21, 2020. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/2203.