1. 1. Bateman JE. Single-assembly total hip prosthesis: preliminary report. Orthopaedic Digest. 1974;2:15-22.
2. 2. Giliberty RP. A new concept of a bipolar endoprosthesis. Orthopaedic Review. 1974; 3:40-45.
3. 3. Bateman JE. Experience with a multibearing implant in reconstruction for hip deformities. Orthopaedic Transactions. 1977; 1:242.
4. 4. Bateman JE. Experience with a multiple bearing implant in hip joint reconstruction. Orthopaedic Transactions. 1981; 5:421.
5. 5. Giliberty RP. A retrospective study of the bipolar hip endoprosthesis. Orthopaedic Review. 1978; 7:27-31.