Table 1 EGFR primers
|  | First step (5'—3') | Second step (5'—3') | Product Size(BP) |
|---|---|---|---|
Exon18 | F: agcatggtgagggctgag | F: *gctgaggtgacccttgtctc | 258 |
| Â | R: acagcttgcaaggactctgg | R: acagcttgcaaggactctgg | Â |
Exon19 | F: catgtggcaccatctcaca | F: catgtggcaccatctcaca | 179 |
| Â | R: ccacacagcaaagcagaaac | R: *ggtgtgtcgtttcgtctttg | Â |
Exon20 | F: cgaagccacactgacgtg | F: cgaagccacactgacgtg | 244 |
| Â | R: ctatcccaggagcgcagac | R: *ccgtatctcccttccctgat | Â |
Exon21 | F: cctcacagcagggtcttctc | F: cctcacagcagggtcttctc | 215 |
| Â | R: aatgctggctgacctaaagc | R: *ccgactggatttcg | Â |
Exon22 | F: tttttccaacagagggaaact | F: *cactgcctcatctctcacca | 237 |
| Â | R:aaagaaaatacttgcatgtcagagg | R:aaagaaaatacttgcatgtcagagg | Â |
Exon23 | F: ccactgccttcttttcttgc | F: *tttcttgcttcatcctctcag | 205 |
| Â | R: cagctaggcagtgtggacag | R: cagctaggcagtgtggacag | Â |
Exon24 | F: gcatcaccaatgccttcttt | F: *gcaatgccatctttatcatttc | 200 |
| Â | R: actcttcccaatggaagcac | R: actcttcccaatggaagcac | Â |