Postgraduate Orthopedic Instruction – Imaging. Case presentation: Chronic Lumbar Pain. Rev. Asoc. Arg. Ort. y Traumatol [Internet]. 2021 Apr. 14 [cited 2026 Nov. 4];86(2):138-. Available from: https://raaot.org.ar/index.php/AAOTMAG/article/view/1328