Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Hbb-yNM_17209310116Hbe1   
Hbb-yNM_00822110090Ey   
Hbb-yNW_04756210116
Hbb-yBC05701410090Ey   

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

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Text2Knowledge ... Yong Huang 2002