Prevalence and reliability of treatment-based classification for subgrouping patients with low back pain - Oliveira, Isadora Orlando de; Vasconcelos, Rodrigo Antunes de; Pilz, Bruna; Teixeira, Paulo Eduardo Portes; Ferreira, Eduarda de Faria; Mello, Wilson; Grossi, Débora Bevilaqua (Journal of Manual & Manipulative Therapy, 2018)