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The effect of Rofam 70 and one of the tested positive controls, Tween 80 on A549 cell viability. Viable cells were quantified by water soluble tetrazolium salt (WST)-1 assay after 48 h of culture in the presence of the indicated compounds at concentrations ranging from 10 to 300 μM. Data is expressed as mean ± SD, n = 3.
