Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
M-ergNM_01356910090LQT    ERG1    Lqt2    Merg1    Kcnh2   
M-ergBC05101610090Merg1    LQT    ERG1    Kcnh2   
M-ergBC05123310090Merg1    LQT    ERG1    Kcnh2   

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

Google

Text2Knowledge ... Yong Huang 2002