1. Total shoulder arthroplasty;Barrett;J Bone Joint Surg Am,1987
2. Total knee arthroplasty in patients 90 years of age and older;Belmar;J Arthroplasty,1999
3. Is anyone too old for a total knee replacement?;Biau;Clin Orthop Relat Res,2006
4. Health outcome after total knee replacement in the very elderly;Birdsall;J Bone Joint Surg Br,1999
5. The effect of total shoulder arthroplasty on self-assessed health status is comparable to that of total hip arthroplasty and coronary artery bypass grafting;Boorman;J Shouler Elbow Surg,2003