carry the DEL variants can safely receive transfusions from RhD-positive donors.However, carriers of DEL can still be RhD-negative donors, since there are fewer than 22 membrane RhD antigens per DEL red cell, as compared with thousands of RhD antigens on a normal RhD-positive red cell.4 Our findings can apply to East Asian transfusion recipients in Europe, North America, and elsewhere and could be implemented easily when genetic cross-matching becomes a reality.
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Karen A. Eley (2010) studied this question.
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