Kumbhar, Ravindra B. “Design and Evaluation of Transdermal Patches of Labetalol Hydrochloride”. Asian Journal of Pharmaceutics (AJP) 12, no. 04 (July 8, 2019). Accessed June 26, 2022. https://www.asiapharmaceutics.info/index.php/ajp/article/view/3241.