1. Revision of aseptic loose total hip arthroplasties;Amstutz;Clin Orthop,1982
2. The grid radiograph: a simple technique for consistent high-resolution visualization of the hip;Amstutz;J Bone Joint Surg,1986
3. Radiographic assessment of acetabular cup orientation: a new design concept;Chandler;Clin Orthop,1984
4. Apparent changes in the alignment of the femoral component in hip arthroplasties associated with limb positioning;Goodman;Clin Orthop,1987
5. Radiographic techniques for consistant visualization of total hip arthroplasties;Kirkpatrick;Clin Orthop,1983