Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ng-2NG_0003407227ng    CG14266    CT33888    EG:96G10.4    ng2   
ng-2NC_0043547227ng    CG14266    EG:96G10.4    ng2   
ng-2NM_0575937227ng    CG14266    EG:96G10.4    ng2   
ng-2X619457227

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

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Text2Knowledge ... Yong Huang 2002