Rengman, Erik. “Fatigue Fractures of the Lower Extremities: One Case of Bilateral Fatique Fracture of the Collum Femoris”. Acta Orthopaedica 29, no. 1-4 (January 1, 1959): 43–48. Accessed June 18, 2026. https://actaorthop.org/actao/article/view/30559.