TY - JOUR A1 - Metzger, K B A1 - Tolbert, P E A1 - Klein, M A1 - Peel, J L A1 - Flanders, W D A1 - Todd, K A1 - Mulholland, J A A1 - Ryan, P B A1 - Frumkin, H T1 - Ambient air pollution and cardiovascular emergency department visits. Y1 - 2004/01/ N1 - R829213 JF - EPIDEMIOLOGY J1 - EPIDEMIOLOGY VL - 15 IS - 1 SP - 46 EP - 56 ER - TY - JOUR A1 - Peel, J L A1 - Tolbert, P E A1 - Klein, M A1 - Metzger, K B A1 - Flanders, W D A1 - Todd, K A1 - Mulholland, J A A1 - Ryan, P B A1 - Frumkin, H T1 - Ambient air pollution and respiratory emergency department visits. Y1 - 2005/03/ N1 - R829213 JF - EPIDEMIOLOGY J1 - EPIDEMIOLOGY VL - 16 IS - 2 SP - 164 EP - 174 ER -