Zedde, P., S. Cudoni, P. Lisai, M. Fadda, and A. F. Manunta. “Effect of Platelet-Rich Plasma and Microfracture Reparative Technique Combined in Chondral Lesions Treatment”. Journal of Biological Research - Bollettino Della Società Italiana Di Biologia Sperimentale, vol. 88, no. 2, Nov. 2015, doi:10.4081/jbr.2015.5229.