Anggrainy, Nensy, Gatot Sarosa, and Adhie Suswihardhyono. “Comparison of Oral Caffeine and Oral Theophylline for Apnea of Prematurity: A Randomized Clinical Trial”. Paediatrica Indonesiana 64, no. 4 (September 2, 2024): 350-5. Accessed September 27, 2024. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/3487.