Reavley, P., Montgomery, A. A., Smith, J. E., Binks, S., Elder, G., Benger, J., & Edwards, J. (in press). Randomised trial of the fascia iliaca block versus the ‘3-in-1’ block for femoral neck fractures in the emergency department. Emergency Medicine Journal, 32(9), https://doi.org/10.1136/emermed-2013-203407