Persson, G A new multiple dose powder inhaler, (Turbuhaler), compared with a pressurized inhaler in a study of terbutaline in asthmatics. [electronic resource] - The European respiratory journal Aug 1988 - 681-4 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0903-1936 Subjects--Topical Terms: AdultAsthma--drug therapyFemaleForced Expiratory VolumeHumansMaleMiddle AgedNebulizers and VaporizersPowdersPressureRandom AllocationTerbutaline--administration & dosage