Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
l(1)G0348NC_0043547227Sad    ted    tmp    smox    Smad2    CG2262    DSMAD2   
l(1)G0348NM_0785247227Sad    ted    tmp    smox    Smad2    CG2262    DSMAD2   

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

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Text2Knowledge ... Yong Huang 2002