Amorim, J. S. C. de, V. T. M. Rocha, L. P. Lustosa, and L. S. M. Pereira. “Use of Healthcare Services and Therapeutic Measures Associated With New Episodes of Acute Low Back Pain- Related Disability Among Elderly People: A Cross-Sectional Study on the Back Complaints in the Elders - Brazil Cohort”. São Paulo Medical Journal, vol. 139, no. 2, Apr. 2021, pp. 137-46, https://periodicosapm.emnuvens.com.br/spmj/article/view/394.