Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
hoxb3aNM_1311157955Z-3    hoxb1    hoxb4a    hoxb5a    hoxb6a    hoxb7a    hoxb8a    hoxb1a   
Hoxb3aAF51783334816
hoxb3aNM_13111779553053    Z-92    hoxb3    id:ibd3053   
hoxb3aAJ5375097955
hoxb3aAL6457827955

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

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Text2Knowledge ... Yong Huang 2002