Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
M-MDHBC0019179606MDH    MGC:3559    MOR1    MDH2   
M-MDHNM_0059189606MDH    MOR1    MGC:3559    MDH2   

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

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Text2Knowledge ... Yong Huang 2002