Kholvadia A, Constantinou D, Gradidge P. Exploring the efficacy of low-level laser therapy and exercise for knee osteoarthritis. SA J Sports Med [Internet]. 2019 Aug. 12 [cited 2024 Apr. 23];31(1):1-5. Available from: https://journals.assaf.org.za/index.php/sajsm/article/view/6058