Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
C/ATFNM_00971610090Atf-4    CREB2    TAXREB67    Atf4   
C/ATFXM_13947410090CREB2    TAXREB67    Atf4   

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

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Text2Knowledge ... Yong Huang 2002