Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
C20orf3BC0035019606C20ORF2    BSCv   
C20ORF3AL0356619606
C20orf3NM_0205319606BSCv    C20ORF2   
C20orf3NT_0113879606

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

Google

Text2Knowledge ... Yong Huang 2002