Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
6230401I09RikNM_17877710090Hen2    NSCL2    Nscl-2    Nhlh2   
6230401I09RikBC05841310090Hen2    Nscl-2    NSCL2    Nhlh2   

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

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Text2Knowledge ... Yong Huang 2002