Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Hox-2.7NM_0021469606HOX2    HOX2G    HOXB3   
Hox-2.7NM_01045810090Hoxb3   
Hox-2.7X6617710090

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

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Text2Knowledge ... Yong Huang 2002