Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
merosinNM_00848110090dy    mer    5830440B04    Lama2   
merosinBC05438910090mer    5830440B04    Lama2   
merosinBC02550310090mer    5830440B04    Lama2   

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

Google

Text2Knowledge ... Yong Huang 2002