Akathos C. “Comparison of LDL-Cholesterol Analytical Performance Using Direct Homogeneous Enzymatic Assay and Friedwald Formular for Cost Reducing Apply to the Annual Health Check in Queen Sirikit National Institute of Child Health”. Journal of The Department of Medical Services 43, no. 4 (August 1, 2018): 148–153. Accessed April 18, 2024. https://he02.tci-thaijo.org/index.php/JDMS/article/view/248017.