@article{article, title  = {{Comparison of outcome measures for patients with chronic obstructive pulmonary disease (COPD) in an outpatient setting.}},

 url = {{}},

 year = {{1997}},

 month = {{10}},

 author = {{Harper R and Brazier JE and Waterhouse JC and Walters SJ and Jones NM and Howard P}},

 doi = {{10.1136/thx.52.10.879}},

 volume = {{52}},

 journal = {{Thorax}},

 issue = {{10}},

 pages = {{879-887}},

 note = {{Accessed on 2025/10/31}}}