Virasombat, Nilnetr, and Khanittha Wallepong. “Safety Drug Use Assessment in Contracting Units of Primary Care-CUP, Nakhon Ratchasima Province 2009-2010”. Journal of Health Science of Thailand 21, no. 1 (December 13, 2017): 89–100. Accessed December 5, 2025. https://thaidj.org/index.php/JHS/article/view/1043.