title: Preaching to the converted.
authors.forename: Nick R
authors.initials: NR
authors.lastname: Anthonisen
mesh_terms: D001291:Attitude of Health Personnel; D019983:Guideline Adherence; D006801:Humans; D007391:International Cooperation; D017410:Practice Guidelines as Topic; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology / Q000628:therapy*; D012680:Sensitivity and Specificity