Classification of Physical Activity Programs Based on the Kellgren & Lawrence Scale for Knee Osteoarthritis: A Systematic Review. - Canzone, Alberto; Roggio, Federico; Patti, Antonino; Giustino, Valerio; Mannucci, Carmen; Di Mauro, Debora; Musumeci, Giuseppe; Bianco, Antonino; Trimarchi, Fabio (Musculoskeletal Care, 2024)