Only 78 were for tiotropium, while the remaining prescriptions were for ipratropium bromide alone by metered-dose inhaler (55%) or nebulization (7%), or ipratropium bromide in a fixed-dose ...
A standard 30-day equivalent of inhaled anticholinergics was considered to be 36 μg of ipratropium bromide by metered-dose inhaler or 0.5 mg by nebulizer four times daily, or 18 μg of tiotropium ...
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