“Determination of Spray Pattern and Plume Geometry of Combined Budesonide and Formoterol Fumarate Pressurized Metered Dose Inhalation Aerosol”. International Journal of Pharmaceutical Sciences and Drug Research 12, no. 6 (November 30, 2020): 614–620. Accessed October 15, 2025. https://ijpsdronline.com/index.php/journal/article/view/1740.