References
- Walker DJ, Walterspacher S, Ekkernkamp E, Storre JH, Windisch W, Dreher M. Walking with non-invasive ventilation does not prevent exercise-induced hypoxaemia in stable hypercapnic COPD patients. COPD 2015; 12(5):546–551.
- Dreher M, Doncheva E, Schwoerer A, Walterspacher S, Sonntag F, Kabitz HJ, et al. Preserving oxygenation during walking in severe chronic obstructive pulmonary disease: Noninvasive ventilation versus oxygen therapy. Respiration 2009; 78(2):154–160.
- Dreher M, Storre JH, Windisch W. Noninvasive ventilation during walking in patients with severe COPD: A randomised cross-over trial. Eur Respir J 2007; 29(5):930–936.
- Singh SJ, Puhan MA, Andrianopoulos V, Hernandes NA, Mitchell KE, Hill CJ, et al. An official systematic review of the European Respiratory Society/American Thoracic Society: Measurement properties of field walking tests in chronic respiratory disease. Eur Respir J 2014; 44(6):1447–1478.
- American Thoracic Society. ATS statement guidelines for the six-minute walk test. Am J Respir Crit Care Med 2002; 166(1):111–117.
- GOLD: The Global initiative for chronic Obstructive Lung Disease [Internet]. Available from: http://www.goldcopd.org/