Fig. 3From: Ambient PM2.5 and risk of emergency room visits for myocardial infarction: impact of regional PM2.5 oxidative potential: a case-crossover studyConcentration response plot for Ox and risk of MI. Legend: Concentration response plot for Ox (using cubic splines with 4 knots) and risk of emergency room visits for myocardial infarction adjusted for lag-0 PM2.5*GSH and 3-day mean ambient temperature and relative humidityBack to article page