References
- Insall J., Salvati E. Patella position in the normal knee joint. Radiology 1971; 101: 101–104
- Jacobsen K., Bertheussen K. The vertical location of the patella. Acta orthop. scand. 1974; 45: 436–445
- Lancourt J. E., Cristini J. A. Patella alta and patella infera. J. Bone Jt Surg. 1975; 57-A: 1112–1115
- Nangle E. J. Pseudochondromalaci of the patella. In: Proceedings of the South African Orthopaedic Association. J. Bone Jt Surg. 1972; 54-B: 382
- Smillie I. S. Diseases of the knee joint. Churchill Livingstone, Edinburgh and London 1974; 67–72