Yuntae Kim Smith, R. L., Spitzner, D., Kim, Y., & Fuentes, M. (2000, August). Threshold dependence of mortality effects for fine and coarse particles in Phoenix, Arizona. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, Vol. 50, pp. 1367–1379. https://doi.org/10.1080/10473289.2000.10464172