Costantino, C., et al. “Cryoultrasound Therapy and Tendonitis in Athletes: a Comparative Evaluation Versus Laser CO2 and t.e.ca.R Therapy”. Acta Biomedica Atenei Parmensis, vol. 76, no. 1, Apr. 2005, pp. 37-41, https://mattioli1885journals.com/index.php/actabiomedica/article/view/2022.