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Percentage of central and peripheral lung deposition of radiolabeled BDP/F solution in 8 asthmatic patients. Lung contours for the assessment of regional deposition were assessed from an 81mKrypton-ventilation scan after inhalation of 4 shots of BDP/formoterol combination labelled with 99 mTc, a γ-emitting isotope (adapted from Mariotti et al 2007).
Abbreviation: BDP/F, beclomethasone dipropionate/formoterol.
