Lapying, Phenkhae, and Doungdoen Veerarittiphan. “Orthodontic Fee Schedule and Reimbursement of Cleft Patient Treatment”. Journal of Health Systems Research 15, no. 4 (December 30, 2021): 422–435. accessed July 13, 2025. https://he04.tci-thaijo.org/index.php/j_hsr/article/view/3279.