Pimainog, Y., Y. Chaiyasut, and K. Un-anunt. “Comparison of Total Cholesterol and Triglyceride Level in EDTA-Plasma and Serum”. Journal of Associated Medical Sciences, vol. 35, no. 1, Feb. 2015, p. 14, https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60272.