Mahbood, Neelam, Wisal Mohammad, Khaista Mohammad, Talib Hussain, and Faiza Banuri. 1993. “FREQUENCY OF A1U) AND Rh(D) BLOOD GROUPS IN MARDAN (NWFP)”. Journal of Ayub Medical College Abbottabad 6 (1):18-20. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4737.