negative regulation of DNA-directed DNA polymerase activity
negative regulation of dna-directed dna polymerase activity
down regulation of deoxynucleoside-triphosphate:DNA deoxynucleotidyltransferase (DNA-directed) activity
down regulation of deoxynucleoside-triphosphate:dna deoxynucleotidyltransferase (dna-directed) activity