MUHAMMAD IQBAL , ALAUDDIN NIAZI , MOHAMMAD TAHIR. Frequency of ABO and Rh blood groups in Healthy Donors. Journal of Rawalpindi Medical College, Rawalpindi, Pakistan, v. 13, n. 2, 2009. Disponível em: http://journalrmc.com/index.php/JRMC/article/view/731. Acesso em: 17 nov. 2025.