Primer sequences
| Primer | Sequence 5′–3′ |
| K-ras | |
| Sense | ACTGAATATAAACTTGTGGTAGTTGGACCT |
| Antisense | TCAAAGAATGGTCCTGGACC |
| TP53 exon 5 | |
| Sense | TCTGTCTCCTTCCTCTTCCTACA |
| Antisense | AACCAGCCCTGTCGTCTCTC |
| TP53 exon 6 | |
| Sense | GTCCCCAGGCCTCTGATTCC |
| Antisense | CCTCCTCCCAGAGACCCCCAGT |
| TP53 exon 7 | |
| Sense | CCTCATCTTGGGCCTGTGTTATC |
| Antisense | TGGCAAGTGGCTCCTGACCTGGA |
| TP53 exon 8 | |
| Sense | CCTCTTGCTTCTCTTTTCCTATC |
| Antisense | CTGCTTGCTTACCTCGCTTAGT |
| NAT2 | |
| Sense | GGTCAATCAACTTCTGTACTGGGC |
| Antisense | TTGGGTGATACATACACAAGGGTT |