title: How long should a course of rehabilitation be?
authors.forename: S J
authors.initials: SJ
authors.lastname: Singh
authors.forename: M D L
authors.initials: MD
authors.lastname: Morgan
mesh_terms: D005081:Exercise Therapy / Q000379:methods*; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000534:rehabilitation*; D012737:Sex Factors; D013997:Time Factors