Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
C-2kBC0019689606PITALRE    CDC2L4    TAK    CDK9   
C-2kNM_0012619606TAK    CDC2L4    PITALRE    CDK9   

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

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Text2Knowledge ... Yong Huang 2002