Bhargavi Chinta, and Madhavi Nannapaneni. “Preparation of O- Palmitoyl Pullulan Micro Spheres for the Controlled Release of Hydrophillic Drug: Verapamil Hydrochloride”. World Journal of Pharmaceutical Sciences 3, no. 5 (May 3, 2015): 941–957. Accessed November 22, 2024. https://wjpsonline.com/index.php/wjps/article/view/synthesis-palmitoyl-pullulan-micro-spheres-verapamil.