Efficacy and safety of once or twice daily inhalation of extrafine HFA beclomethasone dipropionate in patients with mild to moderate asthma
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The relatively new chlorofluorocarbon-free solution preparation of beclomethasone dipropionate in hydrofluoroalkane (HFA-BDP) (Qvar, 3M Pharmaceuticals) generates an extra fine aerosol with a smaller particle size (mean mass aerodynamic diameter of 1.1 microm)... ...
