Your Query returns 13 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HLA-B*1801AH0127309606HLA-B   
HLA-B*1801AY2502869606HLA-B   
HLA-B*1801AY2502879606HLA-B   
HLA-B*1801AY2502889606HLA-B   
HLA-B*1801AY2502899606HLA-B   
HLA-B*1801AY2502909606HLA-B   
HLA-B*1801AY2502919606HLA-B   
HLA-B*1801AY2502929606HLA-B   
HLA-B*1801AY2502939606HLA-B   
HLA-B*1801AJ4958779606
HLA-B*1801AJ4959319606
HLA-B*1801AJ4959859606
HLA-B*1801AJ5498919606

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

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Text2Knowledge ... Yong Huang 2002