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Cytotoxicity measured by the LDH assay for BEAS-2B cells exposed to unvaped VEA, VEA vaping emissions and DQ standard at corresponding concentrations based on determined production yields. The results are expressed as the mean of three technical replicates (n=3) ± the standard error of the mean (SEM). * indicates p < 0.05; ** indicates p < 0.01; *** indicates p < 0.001.
