Lops, D., L. Ferroni, C. Gardin, S. Ricci, R. Guazzo, L. Sbricoli, E. Romeo, J. L. Calvo-Guirado, E. Bressan, and B. Zavan. “Osteoproperties of Polyethylene Glycol Hydrogel Material”. Journal of Osseointegration, vol. 6, no. 3, Oct. 2014, pp. 61-65, doi:10.23805/jo.2014.06.03.04.