Chapchal G, Fries G, Baumann JU, Müller E. Discopathia Lumbalis: Degeneration of Lumbar Discs and their Operative Treatment. ActaO [Internet]. 1966 Jan. 1 [cited 2026 May 19];37(3):255-66. Available from: https://actaorthop.org/actao/article/view/30220