Chaudhry, Nayla Tariq, Shahnaz Javed Khan, Tanvir Ali Khan, Munim Saeed, Maliha Syed, Javed Iqbal, Shahzjad Ahmed, Maleeha Saleem, and Zunera Yaqub. 1996. “PREVALENCE OF HEPATITIS B CARRIERS AND BLOOD GROUP FREQUENCY IN VOLUNTARY BLOOD DONORS”. Journal of Ayub Medical College Abbottabad 8 (2):29-32. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4792.