Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
mst-9NM_0796227227Mst    mst87F    CG17956    mst(3)87F    mst(3)gl9    bs35f12.y1    mst(3)gl-9   
mst-9NT_0337777227Mst    mst87F    CG17956    mst(3)87F    mst(3)gl9    bs35f12.y1    mst(3)gl-9   

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

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Text2Knowledge ... Yong Huang 2002