Borgquist, Lars, Leif Ceder, and Karl-Goran Thorngren. “Function and Social Status 10 Years After Hip Fracture: Prospective Follow-up of 103 Patients”. Acta Orthopaedica 61, no. 5 (January 1, 1990): 404–410. Accessed May 4, 2026. https://actaorthop.org/actao/article/view/22402.