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Mean* (SD) total emitted doses of budesonide and formoterol at the beginning (BOL), middle (MOL), and end (EOL) of inhaler life, with low-, middle-, and high-strength DuoResp Spiromax. *Mean of three batches. Low strength: 80/4.5 μg per dose; middle strength: 160/4.5 μg per dose; high strength: 320/9 μg per dose. BOL, beginning of life; EOL, end of life; MOL, middle of life; SD, standard deviation.
