Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
hoxc6a0N/AZF-61    hoxc6    HOX-C6    hoxc-6   
hoxc6aAF0712657955

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

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Text2Knowledge ... Yong Huang 2002