Kundawala, Aliasgar J, et al. “Inhalable Spray Dried Pro-Liposome Powder Containing Budesonide for Pulmonary Delivery”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 14, no. 4, July 2021, pp. 5538-4, doi:10.37285/ijpsn.2021.14.4.3.