Research Article
Dry Powder and Budesonide Inhalation Suspension Deposition Rates in Asthmatic Airway-Obstruction Regions
Figure 2
Andersen Instruments Inc. samplers simulating the human respiratory system. Particles 3.3–4.7 µm in diameter were deposited in the trachea and primary bronchi (1st to 4th bronchial generation). On Andersen Cascade Impactor with 6 stages.