1. Koch M: How complete is cancer registration in Alberta? Can Med Assoc J 127: 139–40, 1982
2. International Union Against Cancer: TNM Classification of Malignant Tumors. Geneva, 1974.
3. SPSSx User's Guide Ed 2. McGraw-Hill Book Company. SPSS Inc. Illinois, 1986.
4. Vital Statistics Annual Review for 1981. Alberta Social Services and Community Health, Alberta, 1983;Table 11: 22–27
5. Greenwood M: The errors of sampling of the survivorship tables. Reports on public health and medical subjects, No 33, Appendix 1. HM Stationary Office, London, 1926