Dilshad, Fariha, Muhammad Irfan, Mazhar Qayyum, Asghar Shabbir, Asfa Ashraf, Azara Iqbal, Muhammad Naeem Iqbal, and Ali Muhammad. “Incidence of Hepatitis B Among Malarial Patients in Islamabad”. PSM Biological Research 1, no. S 1 (August 30, 2016): S6-S8. Accessed June 20, 2019. https://journals.psmpublishers.org/index.php/biolres/article/view/25.