Expression of RBM5, EGFR and KRAS mRNA in NSCLC. A, Agarose gel of semi-quantitative RT-PCR data of RBM5, EGFR, and KRAS mRNA expression in representative NSCLC and non-tumor specimens. Total RNA was isolated and subjected to semi-quantitative RT-PCR and quantified using Quantity One software. B, Quantitative data from A. *p < 0.05 compared to the normal tissues using Wilcoxon signed rank test.