Fig. 4From: Assessing the impact of air pollutants on clinical visits for childhood allergic respiratory disease induced by house dust mite in Shanghai, ChinaThe single-day effects of O3 on the daily clinical visits for childhood NHDM-ARD (a) and the cumulative lagged effects of O3 on the daily clinical visits for childhood NHDM-ARD (b). RR relative risk, NHDM-ARD allergic respiratory disease induced by non-house dust mite; Red color means childhood NHDM-ARDBack to article page