Vidgren, P In vitro inhalation behaviour and therapeutical response of salbutamol particles administered from two metered dose aerosols. [electronic resource] - Die Pharmazie Jan 1991 - 41-3 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0031-7144 Subjects--Topical Terms: AdultAerosolsAgedAlbuterol--administration & dosageAsthma--drug therapyFemaleHumansMaleMiddle AgedParticle SizePeak Expiratory Flow RateRandom Allocation