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Free access

Research article

First published 2005-2

A Menu-driven Facility for Complex Sample Size Calculation in Randomized Controlled Trials with a Survival or a Binary Outcome: Update

Friederike M.-S. Barthel, Patrick Royston, Abdel Babiker

The Stata Journal: Promoting communications on statistics and Stata

Open access

Research article

First published 2023-3

Ella Marley-Zagar, Ian R. White, Patrick Royston [...]

The Stata Journal: Promoting communications on statistics and Stata