Bhargavi Chinta, Madhavi Nannapaneni. Preparation of O- palmitoyl pullulan micro spheres for the controlled release of hydrophillic drug: verapamil hydrochloride. World J Pharm Sci [Internet]. 2015 May 3 [cited 2024 Jul. 4];3(5):941-57. Available from: https://wjpsonline.com/index.php/wjps/article/view/synthesis-palmitoyl-pullulan-micro-spheres-verapamil