Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
fdh1AL1218154896SPBC336.01    fdh   
FDH1AB0350955477
FDH1AF0040965477
fdh1Z999924113
FDH1NC_0011474932

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

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Text2Knowledge ... Yong Huang 2002