Figure 3.

Frequency of the CAA per five-day interval (2001-2004) as a function of the PM10 quartiles along with the variation of the total number of CAA per five-day interval (white line) and the polynomial fitting (black line) for the younger (upper graph) and the older (lower graph) age groups.

Nastos et al. Environmental Health 2010 9:45   doi:10.1186/1476-069X-9-45
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