Merten, H., Johannesma, P.C., Lubberding, S., Zegers, M., Langelaan, M., Jukema, G.J., Heetveld, M.J., Wagner, C. High risk of adverse events in hospitalised hip fracture patients of 65 years and older: results of a retrospective record review study. British Journal of Surgery: 2015, 5(9), e006663