@inbook{1183875897,
author={Gordon Guyatt and Stephen D. Walter and Deborah J. Cook and Roman Jaeschke},
editor={Guyatt, Gordon and Rennie, Drummond and Meade, Maureen O. and Cook, Deborah J.},
title={Confidence Intervals: Was the Single Study or Meta-analysis Large Enough?},
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=1183875897}
}