Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
dec-2NC_0043547227E4    S36    cp36    dec2    s365    Dms36    s36-1    CG1478    fs(1)C2    dec[[2]]   
dec-2NM_0785327227E4    S36    cp36    dec2    s365    Dms36    s36-1    CG1478    fs(1)C2    dec[[2]]   

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

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Text2Knowledge ... Yong Huang 2002