Fahruddin SGF, Inayah RN, Yani S. Application of Tens and William Flexion Exercise in Patients With Non Spesific Low Back Pain. Open Access Heal. Sci. J. [Internet]. 2025 Aug. 1 [cited 2026 Jun. 12];6(2):230-5. Available from: https://oahsj.org/index.php/oahsj/article/view/100