Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Cpsf3NM_01881310090
CPSF3BC0116549606CPSF    CPSF73   
CPSF3BC0202119606CPSF    CPSF73   
CPSF3AY4049679606
CPSF3AY4049689598
CPSF3AY40496910090
CPSF3NM_0162079606CPSF    CPSF73   
CPSF3NM_1742849913
Cpsf3NT_08190010090
Cpsf3BC02329710090
CPSF3NT_0053349606

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

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Text2Knowledge ... Yong Huang 2002