1. North American Association of Central Cancer Registries: Data Exchange Standards and Record Description. Standards for Cancer Registries. Vol. I. Gordon B (ed). 1994.
2. American Joint Committee on Cancer: Manual for Staging of Cancer. 3rd Ed. , , (eds). JB Lippincott, Philadelphia, 1988.
3. Commission on Cancer: Data Acquisition Manual. American College of Surgeons, 1988.
4. , (eds): International Classification of Diseases for Oncology. 2nd Ed. World Health Organization, England, 1990.
5. North American Association of Central Cancer Registries: Data Standards and Data Dictionary. Standards for Cancer Registries. Vol. II. Menck HR, Seiffert JE (eds). 1994.