Yıldırım, Tahir, Bilal Ertuğrul, Muhammet Çalık, and Metin Kaplan. “Lumbar Spinal Stenosis Associated With Alkaptonuria: Case Report”. Romanian Neurosurgery 39, no. 4 (December 15, 2025): 415–418. Accessed November 8, 2026. https://journals.lapub.co.uk/index.php/roneurosurgery/article/view/3109.