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In Vitro Deposition Patterns of VEGF-siRNA and Chitosan Dry Powders
The powder was put in Jethaler single (white square), dual (gray square), and reverse (black square), and inhalation performance was evaluated as described in the Materials and Methods section. According to the cut-off diameters in each stage, stages 1 and 2 were classified as upper airway, stages 3 and 4 were classified as central airway, and stages 5–7 were classified as lower airway. Mean ± SD (n = 3).
