Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
NpcdNM_02876310090NPR    Cbx6    D15Bwg0580e    1200009K17Rik    1700036C17Rik    5730406O18Rik    Nptxr   
NpcdNM_03068910090NPR    Cbx6    D15Bwg0580e    1200009K17Rik    1700036C17Rik    5730406O18Rik    Nptxr   
NpcdBC04824010090NPR    1200009K17Rik    5730406O18Rik    Cbx6    D15Bwg0580e    Nptxr   
NpcdAY39590710090
NpcdAY39448710090
NpcdAY39448810090
NpcdAY39448910090

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

Google

Text2Knowledge ... Yong Huang 2002