Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Csnk2a1-rs4NM_00778810090Csnk2a1   
Csnk2a1-rs4NT_03921010090

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

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Text2Knowledge ... Yong Huang 2002