Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
zgc:64225BC0533127955MGC64225    Bhlhb5   
zgc:64225NM_2009557955Bhlhb5    MGC64225   

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

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Text2Knowledge ... Yong Huang 2002