You don't have to be a blood relative but you do have to be an appropriate blood-type match.
More Quotes from Dr. Geffner:
Over the past several years, this (advance) has enabled us to do this from wife to husband, friend to friend, cousin to cousin.Dr. Geffner
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Thinking begins only when we have come to know that reason, glorified for centuries, is the stiff-necked adversary of thought.
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