Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
KRX-20NM_13099779555073    egr2    cb427    krx20    krox20    fb71h10    id:ibd5073    wu:fb71h10    egr2b   
krx-20X703227955
krx-20X703237955

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

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Text2Knowledge ... Yong Huang 2002