Wongwajana, S., Wongratanacheewin, S., Chaicumpar, K., & Mootsikapun, P. (2013). Enumeration of CD4, CD8 lymphocyte and CD4/CD8 ratio in HIV Infected patients by direct immunofluorescence. Srinagarind Medical Journal, 7(3), 106–114. Retrieved from https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13610