@inbook{1183875987,
author={Dirk Bassler and Victor M. Montori and PJ Devereaux and Holger J. Schünemann and Maureen O. Meade and Deborah J. Cook and Gordon Guyatt},
editor={Guyatt, Gordon and Rennie, Drummond and Meade, Maureen O. and Cook, Deborah J.},
title={Randomized Trials Stopped Early for Benefit},
booktitle={Users' Guides to the Medical Literature: A Manual for Evidence-Based Clinical Practice, 3rd ed},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2015},
url={jamaevidence.mhmedical.com/content.aspx?aid=1183875987}
}