Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MDR50NM_0790167227Dm2    Dm3    CG8523   
MDR50NT_0337787227Dm2    Dm3    CG8523   
Mdr50L070657227
Mdr50AE0038157227

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

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Text2Knowledge ... Yong Huang 2002