Zuhair, M. N., J. Tammasse, S. Aulina, and M. Y. Amran. “Relation Between Pain Intensity and Functional Status of Low Back Pain Patients”. Medica Hospitalia : Journal of Clinical Medicine, vol. 8, no. 3, Nov. 2021, pp. 369-73, doi:10.36408/mhjcm.v8i3.649.