Background Ambient ozone (O3) concentration has been reported to be significantly associated with mortality. cities showed better fits for the spline model compared 1336960-13-4 with the linear model, supporting a non-linear associations between O3 concentration and mortality. Every one of the 7 metropolitan areas showed U or J shaped organizations suggesting the life of thresholds.… Continue reading Background Ambient ozone (O3) concentration has been reported to be significantly