Khan BH, Attaullah S, Khan AH. FREQUENCY OF ABO AND RH (D) BLOOD GROUPS INVOLVING VOLUNTEER DONORS IN DISTRICT NOWSHERA. J Postgrad Med Inst [Internet]. 2017 May 12 [cited 2024 Apr. 28];31(2). Available from: https://jpmi.org.pk/index.php/jpmi/article/view/1962