Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
beta2_dmNM_0793527227DTS7    DTS-7    beta2    CG3329    l(3)DTS7    Prosbeta2   
beta2_dmNT_0374367227DTS7    DTS-7    beta2    CG3329    l(3)DTS7    Prosbeta2   
beta2_dmAF0257917227
beta2_dmAF0257927227

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

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Text2Knowledge ... Yong Huang 2002