1) DeLee, J. C.: Fractures and dislocations of the hip. Fractures in adults, 4th Ed., ed by C. A. Rockwood, Jr., Lippincott-Raven, Philadelphia, pp. 1659-1825, 1996.
2) Garden, R. S.: Low-angle fixation in fractures of the femoral neck. J. Bone Joint Surg., 43-B: 647-663, 1961.
3) Garden, R. S.: Reduction and fixation of subcapital fractures of the femur. Orthop. Clin. North Am., 5: 683-712, 1974.
4) McElvenny, R. T.: The immediate treatment of intracapsular hip fracture. Clin. Orthop., 10: 289-323, 1957.