Leer-Salvesen, S., Dybvik, E., Dahl, O. E., Gjertsen, J.-E., & Engesæter, L. B. (2017). Thromboprophylaxis for venous thromboembolism prevention in hip fracture patients. Acta Orthopaedica, 88(2), 236–237. https://doi.org/10.1080/17453674.2016.1274591