IJERPH, Vol. 19, Pages 2823: Short-Term Air Pollution Exposure and Risk of Acute Exacerbation of Chronic Obstructive Pulmonary Disease in Korea: A National Time-Stratified Case-Crossover Study
International Journal of Environmental
IJERPH, Vol. 19, Pages 2823: Short-Term Air Pollution Exposure and Risk of Acute Exacerbation of Chronic Obstructive Pulmonary Disease in Korea: A National Time-Stratified Case-Crossover Study
International Journal of Environmental