THE EFFECT OF HYDROTHERAPY ON PAIN RELIEF IN KNEE OSTEOARTHRITIS PATIENTS AT DRS. H. AMRI TAMBUNAN REGIONAL HOSPITAL. JKF [Internet]. 2025 Oct. 31 [cited 2025 Nov. 6];8(1):220-5. Available from: https://ejournal.medistra.ac.id/index.php/JKF/article/view/3192