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Jeff Saturday Shares Some Facts About Blood Donation

shared by kcatoto on Jan 23, 2012 in Health

Jeff Saturday Shares Some Facts About Blood Donation

shared by kcatoto on Jan 23, 2012 in Health

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Here are some facts about blood donation: Each of us carries one of four general blood categories: O, A, B, or AB. Within each category, blood then is labeled RH positive or negative.
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Rank: 2332 of 12381 in Health
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