Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Pfdn1NM_026027100902700086I23Rik   
PFDN1BC0118699606PDF    PFD1   
PFDN1AY4215279606
PFDN1AY4215289598
PFDN1AY42152910090
PFDN1NM_0026229606PDF    PFD1   
Pfdn1NT_07884710090
Pfdn1BC02469310090
PFDN1NT_0292899606
PFDN1BC0036209606PDF    PFD1   
PFDN1BC0062029606PDF    PFD1   

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

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Text2Knowledge ... Yong Huang 2002