Daud, Muhammad Yousuf, et al. “TOTAL LYMPHOCYTE COUNT AS A SUBSTITUTE TO CD4 COUNT IN MANAGEMENT OF HIV INFECTED INDIVIDUALS IN RESOURCE LIMITED SOCIETY”. Journal of Ayub Medical College Abbottabad, vol. 27, no. 1, Mar. 2015, pp. 29-31, https://www.jamc.ayubmed.edu.pk/index.php/jamc/article/view/1045.