Santosh Kumar, Rada, and R. Hemanth. “Proteins and Peptide Drugs: Different Routes of Administration for Their Delivery”. Journal of Drug Delivery and Therapeutics 9, no. 4-A (August 30, 2019): 815–819. Accessed January 22, 2026. https://jddtonline.info/index.php/jddt/article/view/3620.