Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC65884BC0563247955SHOX2    zgc:65884   
MGC65884BC0653457955SHOX2    zgc:65884   
MGC65884NM_2011967955SHOX2    zgc:65884   

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

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Text2Knowledge ... Yong Huang 2002