Randomized Controlled Trial
Exercise hypercapnia in advanced chronic obstructive pulmonary disease: the role of lung hyperinflation.
Am. J. Respir. Crit. Care Med. 2002 Sep 1;166(5):663-8.
Randomized Controlled Trial
Once-daily NVA237 improves exercise tolerance from the first dose in patients with COPD: the GLOW3 trial.
Int J Chron Obstruct Pulmon Dis. 2012 Jan 1;7:503-13.
Clinical Trial
Exercise training improves breathing strategy and performance during the six-minute walk test in obese adolescents.
Respir Physiol Neurobiol. 2014 Aug 15;200:18-24.