Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
U1c-95CcNR_0020767227K5    U1    CR31185    U1-95.3    U1snRNA    snRNA:U1    snRNA:U1:95Cc   
U1c-95CcNT_0337777227K5    U1    CR31185    U1-95.3    U1snRNA    snRNA:U1    snRNA:U1:95Cc   

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

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Text2Knowledge ... Yong Huang 2002