Spruit, M. ., Singh, S. ., Rochester, C. ., Greening, N. ., Franssen, F. ., Pitta, F. ., … Puhan, M. . (2018). Pulmonary rehabilitation for patients with COPD during and after an exacerbation-related hospitalisation: back to the future?. The European Respiratory Journal, 51(1). https://doi.org/10.1183/13993003.01312-2017

Rutten, E. ., Spruit, M. ., McDonald, M. ., Rennard, S. ., Agusti, A. ., Celli, B. ., … ECLIPSE, I. . (2015). Continuous fat-free mass decline in COPD: fact or fiction?. The European Respiratory Journal, 46(5), 1496-8. https://doi.org/10.1183/13993003.00692-2015