Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Nef3NM_00869110090Nfm    NF-M    NF160    162250
Nef3NW_04745410116
NEF3AF1819909606162250
NEF3AY4020639606162250
NEF3AY4020649598
NEF3AY40206510090162250
NEF3NM_0053829606NFM    NEFM    NF-M    162250
Nef3NT_03960610090162250
nef3Y1559211723
NEF3NT_0236669606162250
Nef3NM_01702910116Nfm    Nefm   

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

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Text2Knowledge ... Yong Huang 2002