Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MPUS1NM_01970010090Pus1   
MPUS1BC02144610090Pus1   
MPUS1BC03435910090Pus1   

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

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Text2Knowledge ... Yong Huang 2002