title: To breathe or not to breathe: the respiratory muscles and COPD.
authors.forename: David
authors.initials: D
authors.lastname: McKenzie
mesh_terms: D003964:Diaphragm / Q000473:pathology / Q000503:physiopathology*; D006801:Humans; D007366:Intercostal Muscles / Q000473:pathology / Q000503:physiopathology*; D029424:Pulmonary Disease, Chronic Obstructive / Q000473:pathology / Q000503:physiopathology*; D012119:Respiration