Sample sizes for medical trials with special reference to long-term therapy

Physical activity and the heart

1967 • 80 citations

The determination of sample size in treatment-control comparisons for chronic disease studies in which drop-out or non-adherence is a problem

1967 • 52 citations

Methods of analysis for follow-up studies.

1950 • 36 citations

The Effect of Adjusting for Competing Mortality Risks

1964 • 5 citations