Techakehakij, Win, and Pattaraporn Kanyamee. “Direct Costs of Parkinson’s Disease at Suratthani Central Hospital: A Retrospective Study”. Journal of Health Science of Thailand 25, no. 1 (November 3, 2017): 76–85. Accessed December 6, 2025. https://thaidj.org/index.php/JHS/article/view/226.