Acceptability of the aquatic environment for exercise training by people with chronic obstructive pulmonary disease with physical comorbidities: Additional results from a randomised controlled trial

Renae J. Mc Namaraab,Zoe J .Mc Keougha, David K.Mc Kenzieb, Jennifer A.Alisonad,
Volume 101, Issue 2, June 2015, Pages 187-192

https://www.sciencedirect.com/science/article/abs/pii/S0031940614000923