Musumeci, Giuseppe, et al. “New Perspectives in the Treatment of Cartilage Damage. Poly(ethylene Glycol) Diacrylate (PEGDA) Scaffold. A Review”. Italian Journal of Anatomy and Embryology, vol. 118, no. 2, Aug. 2013, pp. 204-10, https://oajournals.fupress.net/index.php/ijae/article/view/1192.