Long-term exposure to ambient ultrafine particles and respiratory disease incidence in in Toronto, Canada: a cohort study
Weichenthall, S., Bai, L., Hatzopoulou, M., Ryswyk, K.V., Kwong, J.C., Jerrett, M., van Donkelaar, A., Martin, R.V., Burnett, R.T, Lu, H., and Chen, H. 2017. Environmental Health 16 (1), 642017
