Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Hoxb2aAF51783334816
hoxb2aAF0715687955
hoxb2aAL6457827955
hoxb2aBC0659677955Z-151   
hoxb2aNM_1311167955Z-151    hoxb2   

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

Google

Text2Knowledge ... Yong Huang 2002