1. Mortality after hip fracture: Regional variations in New Zealand;Walker;N.Z. Med. J.,1999
2. Factors Affecting Hip Fracture Mortality
3. Hip fracture mortality. Relation to age, treatment, preoperative illness, time of surgery and complications;Kenzora;Clin. Orthop.,1984
4. Influence of health status and the timing of surgery on mortality in hip fracture patients;Hamlet;Am. J. Orthop.,1997