| Roberts JR, et al, eds | medicaldaily - Why Is AB Blood Type So Rare? Pretransfusion testing for red blood cell transfusion |
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| medicalnewstoday - What is the rarest blood type? KYB: knowyourblood - What Are The Rarest Blood Types in the World? In: Roberts and Hedges' Clinical Procedures in Emergency Medicine and Acute Care |
Transfusion therapy: Blood and blood products.
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