Your Query returns 14 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
nucb2BC0460777955cb638    wu:fa03d10    fa03d10    nucb2a   
nucb2BC0654377955cb638    wu:fa03d10    fa03d10    nucb2a   
Nucb2NM_01677310090Nefa   
Nucb2NW_04756210116
NUCB2AF4502669606
NUCB2AY3995739606
NUCB2AY3995749598
NUCB2AY39957510090
NUCB2NM_0050139606NEFA   
Nucb2NT_03943310090
Nucb2BC01045910090Nefa   
Nucb2BC06177810116Nefa   
NUCB2NT_0092379606
Nucb2NM_02166310116p54    Nefa   

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

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Text2Knowledge ... Yong Huang 2002