Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
H2-Ab1AF06591210090
H2-Ab1AF06591310090
H2-Ab1AF11925110090nb1   
H2-Ab1AF11925210090nb1   
H2-Ab1NT_03964910090
H2-Ab1NT_03966210090
H2-Ab1BC00816810090Abeta    IAb    I-A   
H2-Ab1BC01032210090Abeta    IAb    I-A   
H2-Ab1NM_01037910090IAb    Ia2    Ia-2    Abeta    H-2Ab    H2-Ab    I-A    I-Abeta   

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

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Text2Knowledge ... Yong Huang 2002