Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
fdh-1AH0094103702fdh   
fdh-1AF2144913702fdh   
fdh-1AF2144923702fdh   

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

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Text2Knowledge ... Yong Huang 2002