K. Derakhshandeh, M. Nikmohammadi, and A. Hosseinalizadeh. “Factorial Effect of Process Parameters on Pharmaceutical Characteristics of Biodegradable PLGA Microparticles”. International Journal of Drug Delivery, vol. 3, no. 2, June 2011, pp. 324-3, https://ijdd.arjournals.org/index.php/ijdd/article/view/82.