Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
NrgnNM_02202910090NG    RC3    Pss1    NG/RC3    0710001B06Rik    602350
NrgnNW_04779910116
NRGNBC0028359606RC3    hng    602350
NRGNX990759606602350
NRGNX990769606602350
NRGNNM_0061769606RC3    hng    602350
NrgnNT_03947210090602350
NRGNNT_0338999606602350
NrgnNM_02414010116RC3   

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

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Text2Knowledge ... Yong Huang 2002