Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
wu:fj02a10BC0567367955zCOX-2    fj02a10    ptgs2   
wu:fj02a10BC0632327955zCOX-2    fj02a10    ptgs2   
wu:fj02a10NM_1536577955zCOX-2    fj02a10    unp1239    ptgs2   

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

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Text2Knowledge ... Yong Huang 2002