1. UCLA anatomic total shoulder arthroplasty;Amstutz;Clin Orthop,1981
2. Nonconstrained total shoulder arthroplasty for patients with polyarticular rheumatoid arthritis;Barrett,1987
3. Surgery of the shoulder and rheumatoid arthritis: a report of nineteen patients;Clayton;Clin Orthop,1975
4. Total shoulder arthroplasty: associated disease of the rotator cuff, results and complications;Cofield,1978
5. Unconstrained total shoulder prostheses;Cofield;Clin Orthop,1983