Fig. 2From: Strategies for understanding the role of cellular heterogeneity in the pathogenesis of lung cancer: a cell model for chronic exposure to cigarette smoke extractCSE growth inhibition rate on 16HBE-B and 16HBE-S. *P ≤ 0.05; versus 0 μg/mL; the cell inhibition rate is statistically different from 0 μg/mLBack to article page