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Understanding different blood types: A, B, AB, and O
There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative. Knowing your blood type is ...
A blood type is classified by the presence or absence of antibodies and certain antigens on the surface of the red blood cells (RBCs). There are four distinct blood types; A, B, AB and O. Transfusion ...
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