SYNTHESIZING THE EVIDENCE ON MANUAL THERAPY FOR CHRONIC NON-SPECIFIC LOW BACK PAIN: AN UMBRELLA REVIEW AND META-ANALYSIS. Review Journal of Neurological & Medical Sciences Review, [S. l.], v. 4, n. 5, p. 232–248, 2026. DOI: 10.63075/3jh2z029. Disponível em: https://nmsreview.org/index.php/rjnmsr/article/view/889. Acesso em: 14 may. 2026.