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Fig. 8 | AAPS Open

Fig. 8

From: Scope and relevance of a pulmonary biopharmaceutical classification system AAPS/FDA/USP Workshop March 16-17th, 2015 in Baltimore, MD

Fig. 8

Regional lung deposition for the major inhalation delivery system as assessed by gamma scintigraphy / penetration index and 24 h clearance measurements. The theory line was calculated using the model proposed by Stahlhofen (Stahlhofen et al. 1980), diameters given on theory line are Mass Median Aerodynamic Diameters for aerosols of a Geometric Standard Deviation of 2.2. (From (Clark 2012))

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