Krumov, J., V. Obretenov, H. Bozov, N. Tzachev, H. Milanova, K. Panayotov, and J. Papathanasiou. “Is Group-Based Physical Therapy Superior to Individual Rehabilitation in Elderly Adults After Total Knee Arthroplasty? A Prospective Observational Study”. European Journal of Translational Myology, vol. 32, no. 4, Dec. 2022, doi:10.4081/ejtm.2022.10984.