Bodek, K.H. et al. 2013. Evaluation of the use of microcrystalline chitosan and collagen membranes as carriers for the platelet derived growth factor (PDGF-BB) in the presence of amoxicillin. Current Issues in Pharmacy and Medical Sciences. 26, 2 (May 2013), 176–182. DOI:https://doi.org/10.12923/j.2084-980X/26.2/a.13.