Navdeep Bharti, Gagandeep Singh Dhatt, Surya Prakash Gautam, and Narinder Singh. 2016. “AN INCISIVE REVIEW ON MICROSPHERES AS DRUG DELIVERY SYSTEM”. International Journal of Pharmaceutics and Drug Analysis 4 (11):486-93. https://www.ijpda.org/index.php/journal/article/view/257.