1. Swedish Hip Arthroplasty Register, Registercentrum
Västra Götaland S-413 45 Göteborg, Sweden, Blekinge Hospital, S-371
85 Karlskrona, Sweden and Institution for Clinical Sciences, Lund
University, Sweden.
2. Swedish Hip Arthroplasty Register, Registercentrum
Västra Götaland, S-413 45 Göteborg, Sweden.
3. Swedish Hip Arthroplasty Register, Registercentrum
Västra Götaland S-413 45 Göteborg, Sweden; Department of Orthopedics,
Skåne Unveirsity Hospital, S-214 28 Malmö, Sweden.