Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
p33(CDK2)BC0030659606CDK2   
p33(CDK2)NM_0017989606CDK2   
p33(CDK2)NM_0528279606CDK2   

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

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Text2Knowledge ... Yong Huang 2002