A. Hussein, Ahmed. “Preparation and Characterization of Poly (D,L-Lactide-Co-Glycolide) Microspheres for Controlled Release of KSL Peptide”. Iraqi Journal of Pharmaceutical Sciences, vol. 16, no. 1, Mar. 2017, pp. 26-33, https://doi.org/10.31351/vol16iss1pp26-33.