Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
cb347BC0594257955SIX3    six3.2    six3b   
cb347NM_1313637955SIX3    six6    six3.2    six3b   

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

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Text2Knowledge ... Yong Huang 2002