Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Brn4NM_00890110090Slf    Otf9    Brn-4    Pou3f4   
BRN4NM_0003079606DFN3    OTF9    BRAIN-4    POU3F4   

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

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Text2Knowledge ... Yong Huang 2002