@inbook{1184194236,
author={Harold C. Sox and Roger J. Lewis},
editor={Livingston, Edward H. and Lewis, Roger J.},
title={Pragmatic Trials: Practical Answers to “Real World” Questions},
booktitle={JAMA Guide to Statistics and Methods},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2019},
url={jamaevidence.mhmedical.com/content.aspx?aid=1184194236}
}