Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CK2A1BC0535329606CKII    CSNK2A1    115440
CK2A1BC0116689606CKII    CSNK2A1    115440
CK2A1NM_0018959606CKII    CSNK2A1    115440
CK2A1NM_1775599606CKII    CSNK2A1    115440
CK2A1NM_1775609606CKII    CSNK2A1    115440
ck2a1BC0444037955fi38e04    fi38h03    wu:fi38e04    wu:fi38h03   
CK2a1AF3855795691
ck2a1NM_1312527955fi38e04    fi38h03    wu:fi38e04    wu:fi38h03   
ck2A1AJ4376354097

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

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Text2Knowledge ... Yong Huang 2002