Ahmad, Jawad, Abid Suhail Taj, Abdur Rahim, Afzal Shah, and Muhammad Rehman. 2011. “Frequency of Hepatitis B and Hepatitis C in Healthy Blood Donors of NWFP: A Single Center Experience”. Journal of Postgraduate Medical Institute 18 (3). https://www.jpmi.org.pk/index.php/jpmi/article/view/899.