Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HLA-B*3503 variantAH0094879606HLA-B   
HLA-B*3503 variantAF2745069606HLA-B   
HLA-B*3503 variantAF2745079606HLA-B   
HLA-B*3503 variantAH0097599606HLA-B   
HLA-B*3503 variantAF2827659606HLA-B   
HLA-B*3503 variantAF2827669606HLA-B   

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

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Text2Knowledge ... Yong Huang 2002