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I love my darkest shades of black...! ;)
Why use blood type O negative for transfusions?
as the universal donor, why can't it be O positive? is the Rh that important??
can anyone explain to me the exact process, the cellular level exchange of substance, the molecular "drift".... heck, i'm not sure i'm saying this right.... but why? (in detail!)
4 AnswersMedicine1 decade ago