Variability in organ-specific EGFR mutational spectra in tumour epithelium and stroma may be the biological basis for differential responses to tyrosine kinase inhibitors. - Weber, F.; Fukino, K.; Sawada, T.; Williams, N.; Sweet, K.; Brena, R. M.; Plass, C.; Caldes, T.; Mutter, G. L.; Villalona-Calero, M. A.; Eng, C. (British Journal of Cancer, 2005)