Sandberg, Rolf, Bengt Balkfors, Anders Henricson, and Nils Westlin. “Traumatic Hemarthrosis in Stable Knees”. Acta Orthopaedica 57, no. 6 (January 1, 1986): 516–517. Accessed May 11, 2026. https://actaorthop.org/actao/article/view/23156.