title: Patient-controlled sputum removal during chest physiotherapy in cystic fibrosis: a system for use in closed-circuit assessment of energy expenditure.
authors.affiliation: Department of Pulmonary Medicine, Women's and Children's Hospital, Adelaide, Australia.
authors.forename: D W
authors.initials: DW
authors.lastname: Parsons
authors.forename: M
authors.initials: M
authors.lastname: Williams
mesh_terms: D000293:Adolescent; D000328:Adult; D003550:Cystic Fibrosis / Q000534:rehabilitation*; D004734:Energy Metabolism; D006801:Humans; D008397:Masks; D026741:Physical Therapy Modalities; D013183:Sputum; D013396:Suction / Q000295:instrumentation