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. 2020 Jun 4;21:42. doi: 10.1186/s40360-020-00418-1

Fig. 1.

Fig. 1

Comparison of cellular toxicity and levels of released inflammatory mediators (cytokines) from H292 bronchial epithelial cells directly exposed at the air-liquid interface to 55 puffs of nicotine and CBD aerosols. All aerosol was generated from an eGO tank system, with battery output voltage set to 3.8 V and refilled with PG-only solution with the same nicotine and CBD concentrations (1.7 mg/mL). * indicates significant difference from the air control and # indicates significant difference from the PG solvent control