Chairatanapiwong, Saowanit, Hataigran Siwamoke, Panthong Singbootra, Phennapha Klangsinsirikul, and Sakchai Dettrairat. “Uncertainty value of %CD4+T cell measurement”. Journal of Associated Medical Sciences 47, no. 2 (May 2, 2014): 112. accessed April 13, 2025. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/59956.