Chythanya C. Kutty, Asha Spandana K M, Amit B. Patil, Gowda D V, and Mahendran Bhaskaran, “A Review on Insulin Formulations for Diabetes Mellitus Therapy”, Int. J. Res. Pharm. Sci., vol. 11, no. 3, pp. 3667–3674, Jul. 2020.