@misc{indiciae6af216a4bf20, title = {Two different training programmes for patients with COPD: a randomised study with 1-year follow-up.}, author = {R Harpa Arnardóttir and Stefan Sörensen and Ivar Ringqvist and Kjell Larsson}, year = {2006}, doi = {10.1016/j.rmed.2005.03.043}, url = {https://pubmed.ncbi.nlm.nih.gov/15885996/}, note = {Source identifier: 15885996} }