References
- Herberts P., Ahnfelt L., Malchau H., Strömberg C., Andersson G. B. J. Multi-center clinical trials and their value in assessing total joint arthroplasty. Clin Orthop 1989; 249: 48–55
- Kaplan E. L., Meier P. Nonparametric estimation from incomplete observation. Am Stat Ass Joum 1958; 457–81
- Ahnfelt L., Herberts P., Malchau H., Andersson G. Prognosis of total hip replacement. Acta Orthop Scand 1990; 61(Suppl 238)1–26
- Mulroy R. D., Harris W. H. The effect of improved cementing techniques on component loosening in total hip replacement. J Bone Joint Surg (Br) 1990; 72: 757–60
- Faro L. M. C., Huiskes R. Quality assurance of joint replacement. Acta Orthop Scand 1992; 63(Suppl 250)1–33
- Quality control of implants. Acta Orthop Scand 1987; 58: 477–8, Editorial