1) Coutts RD, Toth C, Kaita J: The role of continuous passive motion in the rehabilitation of the total knee patient. In Hungerford D (ed): Total Knee Arthropl asty-A Comprehensive Approach. Baltimore, Williams & Wilkins, 1983, pp. 126-132.
2) Insall JN, Ranawat CS, Aglietti P, Shine J: A complication of four models of total kneereplacement prosthesis. J Bone Joint Surg 58-A: 754-765, 1976.
3) Shoji H, Yoshino S, Komagamine M: Improved range of motion with the Y/S total knee arthroplasty system. Clin Orthop 218: 150-153, 1987.