Pereira D. R., Silva-Correia J., Oliveira J. M., Reis R. L., Pandit A., and Biggs M. J.,  "Nanocellulose reinforced gellan gum hydrogels as potential biological substitutes for annulus fibrosus tissue regeneration",  Nanomedicine-Nanotechnology, Biology and Medicine, vol. 14, issue 3, pp. 897?908, doi:10.1016/j.nano.2017.11.011, 2018.