title: Pressure and flow(meter).
authors.forename: Dietmar
authors.initials: D
authors.lastname: Enk
authors.forename: Ankie E
authors.initials: AE
authors.lastname: Hamaekers
authors.forename: Pieter A
authors.initials: PA
authors.lastname: Borg
mesh_terms: D000402:Airway Obstruction / Q000628:therapy; D045268:Flowmeters; D006801:Humans; D010102:Oxygen Inhalation Therapy / Q000295:instrumentation / Q000379:methods; D011312:Pressure; D015203:Reproducibility of Results