title: Controversies in pulmonary medicine. Respiratory muscle training should be instituted in all COPD patients.
authors.forename: D A
authors.initials: DA
authors.lastname: Mahler
authors.forename: M J
authors.initials: MJ
authors.lastname: Belman
mesh_terms: D004417:Dyspnea / Q000209:etiology / Q000628:therapy; D005081:Exercise Therapy; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications / Q000503:physiopathology / Q000628:therapy*; D012132:Respiratory Muscles / Q000503:physiopathology