Kangwantas, K., T. Phodha, and P. Niamtaworn. “Pawalee Niamtaworn: Factors Affecting the Blood Level of Phenytoin in Thai Children With Epilepsy: A Retrospective Study”. Princess of Naradhiwas University Journal, vol. 16, no. 1, Jan. 2024, pp. 261-72, https://li01.tci-thaijo.org/index.php/pnujr/article/view/260757.