title: Respiratory muscle function: a clinical study.
mesh_terms: D000203:Activities of Daily Living; D001945:Breathing Exercises; D003964:Diaphragm / Q000503:physiopathology; D006801:Humans; D007366:Intercostal Muscles / Q000503:physiopathology; D008173:Lung Diseases, Obstructive / Q000503:physiopathology* / Q000534:rehabilitation; D012119:Respiration; D013147:Spirometry / Q000295:instrumentation