%0 Journal Article %A J R Curtis %A R A Deyo %A L D Hudson %T Pulmonary rehabilitation in chronic respiratory insufficiency. 7. Health-related quality of life among patients with chronic obstructive pulmonary disease. %D 1994 %R 10.1136/thx.49.2.162 %J Thorax %P 162-170 %V 49 %N 2 %U https://thorax.bmj.com/content/thoraxjnl/49/2/162.full.pdf