Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Acvri1BC05900510090Acvrip1    Acvrinp1   
Acvri1NM_01582310090Acvrip1    mKIAA0705    Acvrinp1   

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

Google

Text2Knowledge ... Yong Huang 2002