1. Eicher, P. O.: Personal communication.
2. Procaine injection for relief of pain in hip;Ergenbright;J. Bone & Joint Surg.,1949
3. Etiology and indications for treatment of hypertrophic arthritis of the hip;Ghormley;Proc. Staff Meet., Mayo Clin.,1944
4. Posterior exposure of hip joint;Gibson;J. Bone & Joint Surg.,1950
5. Use of artificial femoral head for arthroplasty of hip joint;Judet;J. Bone & Joint Surg.,1950