Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
SGS1U223414932
SGS1AF06873828985
SGS1AF2947285476
Sgs1AE0035757227
Sgs1NM_0787517227Sgs    Sgs-1    CG3047   
Sgs1NT_0337797227Sgs    Sgs-1    CG3047   
SGS1NC_0011454932

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

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Text2Knowledge ... Yong Huang 2002