Yazdani, Muhammad Sajid, Zeeshan Khalid, Muhammad Ali Rathore, and Sarah Fatimah. “Prevalence of Blood Group A2 in Northern Pakistan”. Pakistan Armed Forces Medical Journal 72, no. 1 (February 28, 2022): 47–50. Accessed February 18, 2025. https://pafmj.org/PAFMJ/article/view/3912.