“Preparation and Evaluation of Mucoadhasive Microspheres of Propranolol HCl for Nasal Delivery”. International Journal of Advances in Pharmaceutics 4, no. 4 (September 9, 2015): 49–54. Accessed March 17, 2026. https://www.ssjournals.co.in/index.php/ijap/article/view/2496.