References
- Manual of the International Statistical Classification of Diseases. Injuries and Causes of Death. World Health Organisation, Geneva 1967, Eighth Revision 1965
- Hayden A. C., Thompson E. T. Standard Nomenclature of Diseases and Operations, 5th Edition. McGraw Hill, New York 1961
- Wells A. H. Systematised Nomenclature of Pathology. American College of Pathologists, Chicago 1963
- Pocket Guide to Diagnostic Coding for Departments of Traumatic or Orthopaedic Surgery, 1973 based on the Handbook of the Royal National Orthopaedic Hospital, London, and the VIIIth Revision of the I.C.D.