Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HS-26NM_18156910090Aag    HS-40    CGTHBA    m(alpha)RE    Mare   
HS-26BC06447110090m(alpha)RE    CGTHBA    Aag    HS-40    Mare   

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

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Text2Knowledge ... Yong Huang 2002