@inbook{57421297,
author={Stanton A. Glantz},
title={Appendix C. Answers to Exercises},
booktitle={Primer of Biostatistics, 7e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2012},
url={accessanesthesiology.mhmedical.com/content.aspx?aid=57421297}
}