Brismar, Harald, Nikola Vucetic, and Olle Svensson. “Pain Patterns in Lumbar Disc Hernia: Drawings Compared to Surgical Findings in 159 Patients”. Acta Orthopaedica 67, no. 5 (January 1, 1996): 470–472. Accessed May 26, 2026. https://actaorthop.org/actao/article/view/21044.