Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
4933412A11RikNM_02768110090Gnp2    Sb52    GNPDA    4921523I18Rik    Gnpda2   
4933412A11RikBC00408410090GNPDA    Sb52    Gnp2    Gnpda2   

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

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Text2Knowledge ... Yong Huang 2002