“Development and Optimization of Metformin Hydrochloride Loaded Hydrogel Microspheres Prepared With Natural Polymers”.
Asian Journal of Pharmaceutics (AJP) 14, no. 1 (March 11, 2020). Accessed April 15, 2026.
https://www.asiapharmaceutics.info/index.php/ajp/article/view/3513.