Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
D12Bwg0916eNM_138748100902610042B21Rik    Ppp2r4   
D12Bwg0916eBC052852100902610042B21Rik    Ppp2r4   

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

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Text2Knowledge ... Yong Huang 2002