"Moderate and severe exacerbations accelerate physical activity decline in COPD patients Moderate and..."

“Moderate and severe exacerbations accelerate physical activity decline in COPD patients Moderate and severe exacerbations accelerate physical activity decline in COPD patients”

- https://www.sciencedaily.com/releases/2018/02/180220095023.htm

source http://physiquesportsuk.tumblr.com/post/171094848934