Blood Types and Rh Factor Explained
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blood types and rh factor explainedblood typeblood groupsRhRh factorRhesus factorABO systemRh systemBlood types: ABO and RhWhy do blood types matter?ABO compatibilityblood transfusiona antigenb antigenantibodiesrh positiverh negativeabo blood group systemabo system explainedabo system and rh systemabo antigensabo system of blood groupingrh blood group systemrh system of bloodabo system of bloodblood typing