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Understanding different blood types: A, B, AB, and O
Medically reviewed by Amelia MacIntyre, DO There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative.Knowing your blood type is important for safe blood ...
Blood is made up of red blood cells, white blood cells, platelets, and plasma. Markers called antigens are found on the surface of red blood cells, and differences in these markers classify various ...
OBI is issuing an urgent plea for O-negative donors as supplies of the universal blood type drop to critically low levels ahead of the holiday season, and is offering special holiday incentives to ...
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