Responsiveness of the Zurich Claudication Questionnaire, the Oswestry Disability Index, the Japanese Orthopaedic Association Back Pain Evaluation Questionnaire, the 8-Item Short Form Health Survey, and the EuroQol 5 dimensions 5 level in the assessment of patients with lumbar spinal stenosis - Fujimori, T; Ikegami, D; Sugiura, T; Sakaura, H (Eur Spine J, 2022)