Mouffok, M.; Mesli, A.; Abdelmalek, I.; Gontier, E. Effect of the Formulation Parameters on the Encapsulation Efficiency and Release Behavior of P-Aminobenzoic Acid-Loaded Ethylcellulose Microspheres. J. Serb. Chem. Soc. 2016, 81, 1183-1198.