Increased tumour necrosis factor‐α plasma levels during moderate-intensity exercise in COPD patients
R.A. Rabinovich, M. Figueras, E. Ardite, N. Carbó, T. Troosters, X. Filella, J.A. Barberà, J.C. Fernandez-Checa, J.M. Argilés, J. Roca
European Respiratory Journal 2003 21: 789-794; DOI: 10.1183/09031936.03.00042702