Kristensen, Kristian D., Thomas Kiær, and Niels Wisbech Pedersen. “Intraosseous PO2 in Femoral Neck Fracture: Restoration of Blood Flow After Aspiration of Hemarthrosis in Undisplaced Fractures”. Acta Orthopaedica 60, no. 3 (January 1, 1989): 303–304. Accessed April 24, 2026. https://actaorthop.org/actao/article/view/22594.