Short-term air pollution exposure and exacerbation events in mild to moderate COPD: a case-crossover study within the CanCOLD cohort
Bryan A Ross, Dany Doiron, Andrea Benedetti, Shawn D Aaron, Kenneth Chapman, Paul Hernandez, François Maltais, Darcy Marciniuk, Denis E O'Donnell, Don D Sin, Brandie L Walker, Wan Tan, Jean Bourbeau
Thorax Oct 2023, 78 (10) 974-982; DOI: 10.1136/thorax-2022-219619