Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
snRNA:U5:38ABbNR_0013517227
snRNA:U5:38ABbNR_0016747227K2    U5    dU5    CR32880    U5snRNA    U5-38ABb    snRNA:U5   
snRNA:U5:38ABbNT_0337797227K2    U5    dU5    CR32880    U5snRNA    U5-38ABb    snRNA:U5   

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

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Text2Knowledge ... Yong Huang 2002