Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Bfl-1NM_00974210090A1    Hbpa1    Bcl2a1    Bcl2a1a   
Bfl-1BC02876210090A1    Bcl2a1a   
Bfl-1U274679606

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

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Text2Knowledge ... Yong Huang 2002