Kigozi, J., Konstantinou, K., Ogollah, R., Dunn, K., Martyn, L., & Jowett, S. (2019). Factors associated with costs and health outcomes in patients with Back and leg pain in primary care: a prospective cohort analysis. BMC Health Services Research, 19, 1-9. https://doi.org/10.1186/s12913-019-4257-0