dugassa, Tesfaye; petros, Yohannis Major advisor (PhD); oljira, Tamiru Co-advisor (PhD)
(Haramaya university, 2017-05)
The ABO and Rh blood groups are the most important blood groups despite the long list
of several other blood groups discovered so far. The ABO and Rh blood groups varies
worldwide and are not found in equal numbers even ...