Ban, I., Birkelund, L., Palm, H., Brix, M., & Troelsen, A. (2012). Circumferential wires as a supplement to intramedullary nailing in unstable trochanteric hip fractures. Acta Orthopaedica, 83(3), 240–243. https://doi.org/10.3109/17453674.2012.665329