Westermark , Per, Gunilla T. Westermark, Ole B. Suhr, and Svante Berg. “Transthyretin-Derived Amyloidosis: Probably a Common Cause of Lumbar Spinal Stenosis”. Upsala Journal of Medical Sciences 119, no. 3 (March 12, 2014): 223–228. Accessed March 29, 2026. https://ujms.net/index.php/ujms/article/view/5880.