Utilization of Prp in orthopeadic practice: clinical and biological analysis of terapeutic effectivenes. - Papalia, R.; Franceschi, F.; Zampogna, B.; Carnì, S.; Diaz, L.; Vasta, S.; Maffulli, N.; Denaro, V. (Muscles, Ligaments & Tendons Journal (MLTJ), 2012)