@misc{indiciaec03bd110e165, title = {Enhancing physical performance in chronic obstructive pulmonary disease.}, author = {M C Steiner and M D Morgan}, year = {2001}, doi = {10.1136/thorax.56.1.73}, url = {https://pubmed.ncbi.nlm.nih.gov/11120909/}, note = {Source identifier: 11120909} }