1. Further experience of nonagenarians with hip fractures;Alarcon;Injury, Int. J. Care Injured,2001
2. Bland M. An introduction to medical statistics. 3rd ed. Oxford: Oxford University Press; 2000.
3. Burley LE. The joint orthopaedic geriatric service in South Edinburgh. In: Caird FI, Evans JG, editors. Advanced geriatric medicine. London: Pitman Books Ltd; 1983. p. 130–6.
4. Predictors of outcome following hip fracture. Admission time predicts length of stay and in-hospital mortality;Clague;Injury, Int. J. Care Injured,2002
5. Hip para-articular fractures in patients over 100 years old;Fabian;Aktuelle Tramatologie,1991