moustafa, amal z., Aldosari , M. S. ., AL-Bukhari , T. A., Allohibi, Y. A. ., Teama , S. H. ., Wassif , G. A. ., Osheba, I. S. ., & bajuaifer , N. . (2021). The Frequency of ABO and Rhesus blood groups in Saudi healthy blood donors versus non-Saudi in a retrospective study in Makkah City: ABO and Rhesus blood groups in Makkah City. Saudi Medical Horizons Journal, 1(1), 2–13. https://doi.org/10.54293/smhj.v1i1.16