Mbada, Chidozie Emmanuel, Olusola Ayanniyi, and Samuel Olusegun Ogunlade. 2015. “Comparative Efficacy of Three Active Treatment Modules on Psychosocial Variables in Patients With Long-Term Mechanical Lowback Pain: A Randomized-Controlled Trial”. Archives of Physiotherapy 5 (1). https://doi.org/10.1186/s40945-015-0010-0.