Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
fe14b09BC0454437955Cbx1    zgc:55739    wu:fe14b09   
fe14b09NM_1997467955Cbx1    zgc:55739    wu:fe14b09   

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

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Text2Knowledge ... Yong Huang 2002