Demeyer, H. ., Costilla-Frias, M. ., Louvaris, Z. ., Gimeno-Santos, E. ., Tabberer, M. ., Rabinovich, R. ., … PROactive, C. . (2018). Both moderate and severe exacerbations accelerate physical activity decline in COPD patients. The European Respiratory Journal, 51(1). https://doi.org/10.1183/13993003.02110-2017
