title: Mild Chronic Obstructive Pulmonary Disease Does Exist-and Affects Gas Exchange during Exercise.
authors.affiliation: 1 School of Ageing and Chronic Diseases University of Liverpool Liverpool, United Kingdom.
authors.forename: Peter
authors.initials: P
authors.lastname: Calverley
mesh_terms: D004417:Dyspnea / Q000209:etiology*; D015444:Exercise; D005080:Exercise Test / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications* / Q000503:physiopathology*; D011659:Pulmonary Gas Exchange / Q000502:physiology*