The effect of inspiratory parameters after two separate inhalations on the dose emission of theophylline from low and high resistance dry powder inhalers
. . Abadelah M, Al-Assadi J, Rooney J, Larhrib H. . Saudi Pharm J. 2020 Jan;28(1):74-86. doi: 10.1016/j.jsps.2019.11.007. Epub 2019 Nov 13. Abstract The dose emission from DPIs can be affected by the inspiratory parameters achieved by the patient as well as the device in-use. Conventional in-vitro dose emission methodology was used, but instead of …