Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Xpo2NM_02356510090Cas    Capts    2610100P18Rik    Cse1l   
XPO2NM_0013169606CAS    CSE1    CSE1L   
XPO2NM_1774369606CAS    CSE1    CSE1L   

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

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Text2Knowledge ... Yong Huang 2002