Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
zgc:56473BC0521097955MGC56473    Eif2b3   
zgc:56473NM_2010747955Eif2b3    MGC56473   

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

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Text2Knowledge ... Yong Huang 2002