title: Inspiratory muscle training with a pressure threshold breathing device in patients with chronic obstructive pulmonary disease.
authors.forename: M J
authors.initials: MJ
authors.lastname: Belman
authors.forename: J
authors.initials: J
authors.lastname: Kuei
mesh_terms: D004056:Differential Threshold; D005081:Exercise Therapy / Q000295:instrumentation*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000628:therapy*; D010806:Physical Education and Training; D011312:Pressure; D012132:Respiratory Muscles / Q000503:physiopathology*