Coexistence of malnutrition, frailty, physical frailty and disability in patients with COPD starting a pulmonary rehabilitation program
ter Beek, L.; van der Vaart, H.; Wempe, J.B.; Krijnen, W.P. (Statistical Techniques For Applied Research); Roodenburg, J.L.N.; van der Schans, C.P. (Healthy Ageing, Allied Health Care And Nursing); Jager-Wittenaar, H. (Malnutrition And Healthy Ageing)