Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Math4CNM_01089610090AKA    ngn1    Neurod3    neurogenin    Neurog1   
Math4CBC0086879606NEUROD3    AKA    ngn1    NEUROG1   
Math4CBC0282269606NEUROD3    AKA    ngn1    NEUROG1   
Math4CNM_0061619606AKA    ngn1    NEUROD3    NEUROG1   
MATH4CY0916610090

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

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Text2Knowledge ... Yong Huang 2002