Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
fdh-2AH0094113702fdh   
fdh-2AF2144933702fdh   
fdh-2AF2144943702fdh   

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

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Text2Knowledge ... Yong Huang 2002