Leungbootnak, A., Puntumetakul, R., Janyacharoen, T., Siritaratiwat, W., & Sae-jung, S. (2020). Prevalence of Clinical Lumbar Instability in Patients with Chronic Low Back Pain by Radiography (Pilot Study). Srinagarind Medical Journal, 35(1), 21–25. retrieved from https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/239891