Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HLA-B56AF0115469606HLA-B   
HLA-B56AF0115479606HLA-B   
HLA-B56AF0115489606HLA-B   
HLA-B56AF0115499606HLA-B   
HLA-B56AF0115509606HLA-B   
HLA-B56AF0115519606HLA-B   

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

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Text2Knowledge ... Yong Huang 2002