Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
EspnNM_01958510090je    606351
EspnNW_04772710116
ESPNNM_0314759606DKFZP434A196    606351
EspnNT_03926810090606351
EspnAF54094210090606351
EspnAF54094310090606351
EspnAF54094410090606351
EspnAF54094510090606351
EspnBC05788810090606351
EspnNM_01962210116Je   
ESPNNT_0219379606606351

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

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Text2Knowledge ... Yong Huang 2002