1. The third national cancer survey advanced 3-yr report, 1969–1971 incidence. Biometry Branch, National Cancer Institute, DHEW Publication No. (NIH) 74-637.
2. The epidemiologic pathology of carcinomas of the large bowel;Berg;J Surg Oncol,1974
3. Evaluation of survival data and two new rank order statistics arising in its consideration;Mantel;Can Chem Rep,1966
4. Evaluating differences in survival between two groups of patients;Hankey;J Chron Dis,1971
5. Statistical aspects of the analysis of data from retrospective studies of disease;Mantel;J Nat Can Inst.,1959