1. The AO Classification of Fracture of Long Bones;Muller,1990
2. American Society of Anaesthesiologists. New classification of physical status. Anaesthesiology 1963; 24: 111.
3. Subtrochanteric fractures;Fielding;Clin. Orthop.,1973
4. Subtrochanteric fracture of the femur;Teitge;J. Bone Joint Surg.,1976
5. Ender nailing of intertrochanteric and sub trochantric fractures of the femur;Pankovich;J. Bone Joint Surg.,1980