Khattak, Abbas Khan, Aman Ullah, Muhammad Javed, Rafi Ullah, Muhammad Kamran Hassan, Zahid Jadoon, Khalid Hameed, Ijaz Muhammad Khan, and Aamir Ghafoor Khan. 2011. “TO FIND OUT THE FREQUENCY OF HEPATITIS B SURFACE ANTIGEN POSITIVITY IN MOTIVATED PEOPLE OF JAMRUD TEHSIL KHYBER AGENCY”. Journal of Postgraduate Medical Institute 23 (3). https://www.jpmi.org.pk/index.php/jpmi/article/view/253.