title: Global Initiative on Obstructive Lung Disease revised: what constitutes a guideline?
authors.forename: Klaus F
authors.initials: KF
authors.lastname: Rabe
authors.forename: Christopher B
authors.initials: CB
authors.lastname: Cooper
mesh_terms: D017408:Guidelines as Topic; D006801:Humans; D038622:Internationality; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000517:prevention & control / Q000628:therapy*; D012955:Societies, Medical