Untreated controls have been also grown in serum-free basal media. Cells ended up cultured at 37 °C in humidified air and 5% CO2 for three times. We then used a luminometer to evaluate the luminescence. We established the cell viability by comparing the indicate values of cells exposed to NNK https://rac-bhff33109.theobloggers.com/32125568/the-lp-935509-diaries