Preechagoon, Yupaporn, and Teeraporn Supabandhu. “The Use of Theophylline in the Infant”. Srinagarind Medical Journal 14, no. 2 (November 21, 2013): 118–131. Accessed April 27, 2024. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/14135.