Use of logrank tests and group sequential methods at fixed calendar times.

DeMets, D L

Use of logrank tests and group sequential methods at fixed calendar times. [electronic resource] - Biometrics Dec 1985 - 1039-44 p. digital

Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S.

0006-341X


Biometry
Clinical Trials as Topic--methods
Humans
Mortality
Probability
Time Factors