@article{3107931,
    title = "Both moderate and severe exacerbations accelerate physical activity decline in COPD patients",
    author = "Demeyer, H. and Costilla-Frias, M. and Louvaris, Z. and Gimeno-Santos, E. and Tabberer, M. and Rabinovich, R.A. and De Jong, C. and Polkey, M.I. and Hopkinson, N.S. and Karlsson, N. and Serra, I. and Vogiatzis, I. and Troosters, T. and Garcia-Aymerich, J. and Ivanoff, N. and Karlsson, N. and Corriol-Rohou, S. and Jarrod, I. and Erzen, D. and Scuri, M. and Montacchini, R. and McBride, P. and Kamel, N. and Tabberer, M. and Troosters, T. and Janssens, W. and Demeyer, H. and Dobbels, F. and De Boer, P. and Kulich, K. and Polkey, M.I. and Hopkinson, N.S. and Vogiatzis, I. and Nikai, E. and Van Der Molen, T. and De Jong, C. and Rabinovich, R.A. and MacNee, B. and Puhan, M.A. and Frei, A.",
    journal = "The European respiratory journal",
    year = "2018",
    volume = "51",
    number = "1",
    publisher = "European Respiratory Society",
    doi = "10.1183/13993003.02110-2017",
    keywords = "aged;  ambulatory care;  chronic obstructive lung disease;  clinical outcome;  deterioration;  disease exacerbation;  exercise;  exercise intensity;  exercise tolerance;  female;  follow up;  hospital admission;  human;  Letter;  major clinical study;  male;  medical history;  physical activity;  priority journal;  chronic obstructive lung disease;  complication;  exercise;  forced expiratory volume;  lung function test;  middle aged;  multivariate analysis;  pathophysiology;  prevalence;  prognosis;  vital capacity, Aged;  Disease Progression;  Exercise;  Female;  Forced Expiratory Volume;  Humans;  Male;  Middle Aged;  Multivariate Analysis;  Patient Admission;  Prevalence;  Prognosis;  Pulmonary Disease, Chronic Obstructive;  Respiratory Function Tests;  Vital Capacity"
}