Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Ephrin-A2NM_00790910090Epl6    Elf-1    Cek7-L    LERK-6    Efna2   
ephrin-A2AC0042589606EFNA2    ELF-1    LERK6    EPLG6   
Ephrin-A2BC04869710090Elf-1    Cek7-L    LERK-6    Efna2   

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

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Text2Knowledge ... Yong Huang 2002