title: Clinical trials of airway clearance techniques.
authors.forename: J A
authors.initials: JA
authors.lastname: Alison
mesh_terms: D000818:Animals; D002986:Clinical Trials as Topic; D015916:Drainage, Postural; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000628:therapy*; D012138:Respiratory Therapy / Q000379:methods*