Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
EIF2BdeltaBC0018709606EIF-2B    EIF2B    DKFZp586J0119    EIF2B4   
EIF2BdeltaNM_0156369606EIF2B    EIF-2B    DKFZP586J0119    EIF2B4   
EIF2BdeltaNM_1721959606EIF2B    EIF-2B    DKFZP586J0119    EIF2B4   
eIF2BdeltaNM_1379467227CG10315    eIF2B-delta   
eIF2BdeltaNM_1666017227CG10315    eIF2B-delta   
eIF2BdeltaNM_1666027227CG10315    eIF2B-delta   
eIF2BdeltaNT_0337787227CG10315    eIF2B-delta   

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

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Text2Knowledge ... Yong Huang 2002