Noha Khaled Shoukry, et al. “Effect of Stay Active Advice on Pain and Disability in Patients With Low Back Pain: A Randomized Controlled Trial”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 30, no. 7, Apr. 2023, pp. 293-9, https://doi.org/10.47750/jptcp.2023.30.07.035.