Johnston, H. J., Hutchison, G. R., Christensen, F. M., Peters, S., Hankin, S., & Stone, V. (2009). Identification of the mechanisms that drive the toxicity of TiO2 particulates: the contribution of physicochemical characteristics. Particle and Fibre Toxicology, 6(1), 33. https://doi.org/10.1186/1743-8977-6-33