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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1982 1
1983 1
1984 1
2020 0
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Page 1
Sample-size formula for the proportional-hazards regression model.
Schoenfeld DA. Schoenfeld DA. Biometrics. 1983 Jun;39(2):499-503. Biometrics. 1983. PMID: 6354290 Clinical Trial.
Nomograms for calculating the number of patients needed for a clinical trial with survival as an endpoint.
Schoenfeld DA, Richter JR. Schoenfeld DA, et al. Biometrics. 1982 Mar;38(1):163-70. Biometrics. 1982. PMID: 7082758
Covariate analysis of competing-risks data with log-linear models.
Larson MG. Larson MG. Biometrics. 1984 Jun;40(2):459-69. Biometrics. 1984. PMID: 6487729