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. 2014 Mar 6;9(3):e91136. doi: 10.1371/journal.pone.0091136

Figure 5. Percentage increase (IR %) of asthma-related visits to the ED for an increase of 10 µg/m3 of PM10 and PM2.5–10 on the day of the visit (lag 0) in each subgroup of children (boys and girls) during a period with Saharan dust intrusions.

Figure 5

Error bars represent 95% confidence intervals.