Your Query returns 9 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HLA-B*070201AH0127229606HLA-B   
HLA-B*070201AY2502229606HLA-B   
HLA-B*070201AY2502239606HLA-B   
HLA-B*070201AY2502249606HLA-B   
HLA-B*070201AY2502259606HLA-B   
HLA-B*070201AY2502269606HLA-B   
HLA-B*070201AY2502279606HLA-B   
HLA-B*070201AY2502289606HLA-B   
HLA-B*070201AY2502299606HLA-B   

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002