Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
pax2.1NM_1311847955noi    paxb    Pax-2    cb378    pax-b    PAXZF-B    pax[zf-b]    pax2a   
pax2.1AH0069737955
pax2.1AF0734457955
pax2.1AF0734427955
pax2.1AF0734437955
pax2.1AF0734447955

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

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Text2Knowledge ... Yong Huang 2002