Jonsson E, Ljungkvist I, Hamberg J. Standardized Measurement of Lateral Spinal Flexion and Its Use in Evaluation of the Effect of Treatment of Chronic Low Back Pain. ujms [Internet]. 1990Sep.1 [cited 2025Feb.18];95(1):75-86. Available from: https://ujms.net/index.php/ujms/article/view/6802