title: Symptom measurement.
authors.affiliation: London, UK. Electronic address: pjones@sgul.ac.uk.
authors.forename: Paul W
authors.initials: PW
authors.lastname: Jones
mesh_terms: D003371:Cough / Q000209:etiology*; D006305:Health Status Indicators; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications*; D011788:Quality of Life; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires