Ammendolia, Antonio, et al. “The Synergic Use of the High Power Laser Therapy and Glucosamine Sulfate in Knee Osteoarthritis: A Randomized Controlled Trial”. Acta Biomedica Atenei Parmensis, vol. 92, no. 3, July 2021, p. e2021237, https://doi.org/10.23750/abm.v92i3.10952.