Fig. 4From: Strategies for understanding the role of cellular heterogeneity in the pathogenesis of lung cancer: a cell model for chronic exposure to cigarette smoke extractMorphological changes in 16HBE-B and 16HBE-S at passage 40 after CSE treatment. A 16HBE-B control group. B 16HBE-B exposure group. C 16HBE-S control group. D 16HBE-S exposure groupBack to article page