1. The Canadian Renal Failure Register: Annual Reports 1981 to 1986. Montreal, Canada, Statistics Canada, Health and Welfare Canada, The Kidney Foundation of Canada
2. The Canadian Organ Replacement Register: Annual Reports 1987 to 1992. Ontario, Canada, The Canadian Institute for Health Information (incorporating The Hospital Medical Records Institute)
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4. Regression models and life tables;Cox;J R Stat Soc,1972