1. 25 year survivorship of 2000 consecutive primary Charnley total hip arthroplasties;Berry;J Bone Joint Surg Am,2002
2. long-term results of a collared matte-finished femoral component fixed with modern cementing techniques;Sanchez-Sotelo;J Bone Joint Surg Am,2002
3. The long-term behavior of a totally collarless, polished femoral component in cemented total hip arthroplasty;Gie;J Bone Joint Surg Br,1990
4. Is it advantageous to strengthen the cement-metal interface and use a collar for cemented femoral components of total hip replacements?;Harris;Clin Orthop,1992
5. The use of a collar and precoating on cemented femoral stems is unnecessary and detrimental;Ling;Clin Orthop,1992