A. A total of 5×104 tumor cells were seeded in 24-well plates on day 0. Twenty-four hours after seeding, erlotinib or vehicle was added at the indicated concentrations. Numbers of live and dead cells
aData were presented as the mean ± standard deviation (S. D.)bND: not determinedcViability experiment in the HCC827 cells was performed in triplicate and repeated at least 3 times independently. The c
