Afsheen Mehmood, Anwar Ul Haq, Khalid Shahab, Hameed Ullah, Muhammad Irfan, Farhan Zeb 2023. Kell Blood Group System Antigen Genotypic Frequencies in Northern Pakistani Healthy Blood Donors a Multi Center Study. Pakistan Journal of Medical & Health Sciences. 17, 01 (Mar. 2023), 698. DOI:https://doi.org/10.53350/pjmhs2023171698.