Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Rrp4pNM_0142859606p7    RRP4    hRrp4p    EXOSC2   
Rrp4pBC0007479606RRP4    hRrp4p    p7    EXOSC2   

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

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Text2Knowledge ... Yong Huang 2002