title: Performance testing new peak flow meters.
authors.forename: O F
authors.initials: OF
authors.lastname: Pedersen
authors.forename: M R
authors.initials: MR
authors.lastname: Miller
authors.forename: T W
authors.initials: TW
authors.lastname: van der Mark
mesh_terms: D002138:Calibration; D004867:Equipment Design; D006801:Humans; D010366:Peak Expiratory Flow Rate; D013147:Spirometry / Q000295:instrumentation* / Q000592:standards