Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Spnb2NM_17583610090elf1    elf3    SPTB2    SPTBN1    Spnb-2    9930031C03Rik   
Spnb2NM_00926010090elf1    elf3    SPTB2    SPTBN1    Spnb-2    9930031C03Rik   
Spnb2XM_24007210116
Spnb2NW_04743110116
Spnb2NT_03951510090

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

Google

Text2Knowledge ... Yong Huang 2002