Validity of physical activity monitors during daily life in patients with COPD
Roberto A. Rabinovich, Zafeiris Louvaris, Yogini Raste, Daniel Langer, Hans Van Remoortel, Santiago Giavedoni, Chris Burtin, Eloisa M.G. Regueiro, Ioannis Vogiatzis, Nicholas S. Hopkinson, Michael I. Polkey, Frederick J. Wilson, William MacNee, Klaas R. Westerterp, Thierry Troosters
European Respiratory Journal Nov 2013, 42 (5) 1205-1215; DOI: 10.1183/09031936.00134312