3Chester MA,Olsson ML.The ABO blood group gene:a locus of considerable genetic diversity[J].Transfus Med Rev,2001,15(3):177-200
4Olsson ML,Chester MA.Polymorphism and recombination events at the ABO locus:a major challenge for genomic ABO blood grouping strategies[J].Transfus Med,2001,11(4):295-213
5Yip SP.Sequence variant at the human ABO locus[J].Ann Hum Genet,2002,61(1):1-27