References Authors Nattrass, C. Horwell, C. J. Damby, D. E. Brown, D. Stone, V. Category Ash hazards and impacts - respiratory Sub-Category Toxicological Year 2017 Publication Environmental Research Volume, Issue, Pages 159: 164-175 DOI 10.1016/j.envres.2017.07.054 URL https://www.sciencedirect.com/science/article/pii/S0013935117306758?via%3Dihub=