Your Query returns 16 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ephB4NM_1314147955rtk5    cb646    ephb4a   
Ephb4NM_01014410090Htk    MDK2    Myk1    Tyro11    600011
EPHB4BC0528049606HTK    MYK1    TYRO11    600011
EPHB4AY4085829606600011
EPHB4AY4085839598
EPHB4AY40858410090600011
EPHB4AF3120329606600011
EPHB4AY0560479606600011
EPHB4AY0560489606600011
EPHB4NM_0044449606HTK    MYK1    TYRO11    600011
Ephb4NT_03933110090600011
Ephb4NT_08088010090600011
Ephb4AF31203310090600011
Ephb4BC01650510090MDK2    Myk1    Tyro11    600011
EPHB4NT_0079339606600011
EPHB4NT_0795959606600011

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

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Text2Knowledge ... Yong Huang 2002