Nielsen, Poul T., Lars Nannestad Jørgensen, Elisabeth Albrecht-Beste, Anne-Mette Leffers, and Lars S. Rasmussen. “Lower Thrombosis Risk With Epidural Blockade in Knee Arthroplasty”. Acta Orthopaedica 61, no. 1 (January 1, 1990): 29–31. Accessed May 23, 2026. https://actaorthop.org/actao/article/view/22349.