1. Trapezoidal-28 total hip replacement;Amstutz;Clin Orthop,1973
2. Amstutz HC, Kim W, Kabo M, et al: Modes of failure in hip resurfacing arthroplasty. J Bone Joint Surg, submitted, 1988
3. Range of motion studies for total hip replacements;Amstutz;Clin Orthop,1975
4. The detection of osteoclastic activating factor (OAF) in cement-bone inter-facial tissues of aseptic loose cemented total hip replacements;Amstutz,1987
5. Total hip arthroplasty. A review of three hundred thirty-three cases with long-term follow-up;Beckenbaugh;J Bone Joint Surg,1978