Berktas, Serap, Bekir Durmus, Ozlem Baysal, Zuhal Altay, and Yuksel Ersoy. 2021. “The Efficacy of Ultrasound, Pulsed Shortwave Diathermy and Bicycle Exercises in Knee Osteoarthritis”. Annals of Medical Research 17 (2):0101-6. http://www.annalsmedres.org/index.php/aomr/article/view/3475.