Your Query returns 12 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
egr2NM_13099779555073    cb427    krx20    KRX-20    krox20    fb71h10    id:ibd5073    wu:fb71h10    egr2b   
Egr2NM_01011810090Egr-2    Zfp-6    Krox20    NGF1-B    Zfp-25    Krox-20    129010
EGR2J040769606129010
Egr2NW_04760110116
EGR2BC0356259606KROX20    CMT1D    CMT4E    129010
EGR2AF1394639606129010
EGR2X537009606129010
EGR2NM_0003999606CMT1D    CMT4E    KROX20    129010
Egr2NT_03949510090129010
Egr2BC00909310090Zfp-6    Krox20    NGF1-B    129010
EGR2NT_0085839606129010
Egr2NM_05363310116Krox20   

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

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Text2Knowledge ... Yong Huang 2002