Mehmood, Asad, Maqbool Alam, Muhammad Sajid Yazdani, and Muhammad Ali Rathore. 2019. “FREQUENCY OF KELL ANTIGENS (K & K) AMONG BLOOD DONORS OF NORTHERN PAKISTAN”. Pakistan Armed Forces Medical Journal 69 (5): 977-80. https://pafmj.org/PAFMJ/article/view/3398.