Fig. 5From: Acute effect of fine particulate matter and respiratory mortality in Changsha, China: a time-series analysisThe effect of respiratory disease mortality for a 10 μg/m3 increase in PM2.5 in the warm season (top) and cold season (bottom). Lag-specific effects (a), cumulative effects (b) and overall cumulative association for 7 lags (c)Back to article page