KAREZ NAMIQ KAKARASH; VIAN AFAN NAQSHBANDI. Comparison between the Effectiveness of McKenzie Extension Exercises and William Flexion Exercises for Treatment of Acute or Sub-acute Low Back Pain. Journal of Population Therapeutics and Clinical Pharmacology, [S. l.], v. 30, n. 8, p. 123–133, 2023. DOI: 10.47750/jptcp.2023.30.08.013. Disponível em: https://jptcp.com/index.php/jptcp/article/view/1651. Acesso em: 20 may. 2024.