J. Patel and R. A. Gupta, “Development and In-Vitro Evaluation of Budesonide Mucoadhesive Microsphere for Pulmonary Drug Delivery”, J. Drug Delivery Ther., vol. 11, no. 2-S, pp. 76–81, Apr. 2021, doi: 10.22270/jddt.v11i2-S.4622.