Mucha, M., I. Michalak, J. Balcerzak, and M. Tylman. “Chitosan Scaffolds, Films and Microgranules for Medical Application — Preparation and Drug Release Studies”. Polimery, vol. 57, no. 10, Oct. 2012, pp. 714-21, https://ichp.vot.pl/index.php/p/article/view/867.