... R. (2002). “Meta-analysis of time- series studies of air pollution and mortality: effects of gases and particles and the in uence of cause of death, age, and season.”J Air Waste Manag Assoc., 52, ... 1210–1214.Daniels, M., Dominici, F., and Zeger, S. (2004). “Underestimation of Standard Errors in Time Series Studies of Air Pollution and Mortality. ” Epidemiology, 15, 57–62.Dominici, F., Daniels, ... 1997).Recent re-analyses have renewed interest in methodological aspects of time series studies of air pollution and health and are informing the NAAQS process for PM (Dominici et al., 2003; Schwartzet...