Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
snoRNA:Z1NR_0013907227
snoRNA:Z1NR_0017187227Z1    Dm-797    CR32905    snoR797   
snoRNA:Z1NT_0337787227Z1    Dm-797    CR32905    snoR797   

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

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Text2Knowledge ... Yong Huang 2002