Fig. 3From: Influence of wood species on toxicity of log-wood stove combustion aerosols: a parallel animal and air-liquid interface cell exposure study on spruce and pine smokeViability a, comet assay b and IL-8 secretion c of A549 cells after exposure for 1 h at Tox-ALI to spruce, pine or clean air. Each bar shows the mean ± SEM, n = 3 for cell exposure. CCA = complete combustion aerosol, HFA = HEPA-filtered aerosol-exposed cellsBack to article page