1. Sankaran B (2000) Clinical studies: incidence of fracture neck of femur and intertrochanteric fractures in three Delhi hospitals. In: Sankaran B (ed) Osteoporosis. South East Asia Regional Office, World Health Organization, New Delhi, pp 9–18
2. Lips P (2001) Vitamin D deficiency and secondary hyperparathyroidism in the elderly: consequences for bone loss and fractures and therapeutic implications. Endocr Rev 22:477–501
3. Rainfray M, Dehail P, Salles N (2007) Complications of immobility and bed rest. Prevention and management. Rev Prat 57(6):671–676
4. Frihagen F, Nordsletten L, Madsen JE (2007) Hemiarthroplasty or internal fixation for intracapsular displaced femoral neck fractures: randomised controlled trial. BMJ 335:1251–1254
5. Parker MJ, Gurusamy K (2006) Internal fixation versus arthroplasty for intracapsular proximal femoral fractures in adults. Cochrane Database Syst Rev 4:CD001708