Thaiyanan, P., and V. Vithayasai. “COMPARISON OF PERCENTAGE OF T-LYMPHOCYTE WITH NUMBER OF LYMPHOCYTE IN HUMUN PERIPHERAL BLOOD OBTAINED BY TWO DIFFERENT MENTHODS; DEXTRAN FLOATATION AND FICOLL-HYPAQUE SEPARATION TECHNIQUE”. Journal of Associated Medical Sciences, vol. 12, no. 1, June 2016, p. 15, https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60906.