A Randomized, Double-Blind, Double-Dummy, Safety Crossover Trial Comparing Cumulative Doses up to 96 μg of Formoterol Delivered via an HFA-134a-Propelled pMDI vs. Same Cumulative Doses of Formoterol DPI and Placebo in Asthmatic Patients. - Molimard, M.; Guenolé, E.; Duvauchelle, T.; Vicaut, E.; Lefrançois, G. (Respiration, 2005)