作者: Reinhard Vehring , Adrian Edward Smith , Sarvajna Kumar Dwivedi , Vidya B. Joshi , Michael Steven Hartman
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摘要: Compositions, methods and systems are provided for pulmonary delivery of long-acting muscarinic antagonists β2 adrenergic receptor agonists via a metered dose inhaler. In particular embodiments, the compositions include suspension medium, active agent particles, suspending in which particles form co-suspension within medium.