Your Query returns 10 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
med7AL0237804896SPBC14F5.08   
MED7BC0052509606CRSP33    MGC12284    CRSP9   
MED7NM_0042709606CRSP33    MGC12284    CRSP9   
MED7NM_1693577227dMED7    CG6529    CG31390    dTRAP34    Mediator   
MED7NT_0337777227dMED7    CG6529    CG31390    dTRAP34    Mediator   
Med7AF2939797227
Med7AY0709617227
MED7AF0313839606
Med7AE0036887227
MED7NC_0011474932

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

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Text2Knowledge ... Yong Huang 2002