Madsen, F [Respiratory muscle training for patients with severe chronic pulmonary disease]. [electronic resource] - Ugeskrift for laeger Mar 1982 - 933-7 p. digital Publication Type: English Abstract; Journal Article ISSN: 0041-5782 Subjects--Topical Terms: AgedBreathing ExercisesFemaleHumansLung Diseases, Obstructive--rehabilitationMaleMiddle AgedMuscles--physiopathology