@inbook{57835465, author={Robert Bigelow}, editor={Lopes, Renato D. and Harrington, Robert A.}, title={Chapter 5. Introduction to Clinical Experimentation}, booktitle={Understanding Clinical Research}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2013}, url={accessbiomedicalscience.mhmedical.com/content.aspx?aid=57835465} }