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              ABO blood group
               基礎(chǔ)科學(xué) 
              
				
              

										 
                      A system of antigens expressed at the surface of human red blood cells. Human blood types represented in this group are A,B,AB,or O,depending on which antigen (s),in the form of oligosaccharides,are present at the surface of the erythrocyte membranes. The......（本文共 1036 字）      [閱讀本文] >> 
               
			  
				 
              
				 
				
				
              
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