Correia, J. V. F. B., and M. F. B. Correia. “Properties of Chitosan Matrix Composites With Hydroxyapatite and Carbon Nanotubes, and Their Use in Bone Tissue Engineering”. Archives in Biosciences & Health, Vol. 1, no. 1, June 2019, pp. 139-48, doi:10.18593/abh.19226.