EVALUATING THE EMERGENCY DEPARTMENT ADMISSION AND HOSPITALIZATION TREND FOR COPD EXACERBATION AND TIME-DEPENDENT PARTICULATE MATTER EXPOSURE. - Pini, L.; Giordani, J.; Concoreggi, C.; Gardini, G.; Raffetti, E.; Pini, A.; Levi, G.; Pedroni, L.; Ciarfaglia, M.; Magri, R.; Tantucci, C. (CHEST, 2020)