Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
meninNM_00858310090Men1   
meninBC03628710090Men1   
meninNM_0787747227MEN1    Menin1    CG13778    CG33266    Mnn1   
meninNM_1647397227MEN1    Menin1    CG13778    CG33266    Mnn1   
meninNT_0337797227MEN1    Menin1    CG13778    CG33266    Mnn1   

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

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Text2Knowledge ... Yong Huang 2002