@inbook{57835108, author={Anjan K. Chakrabarti and C. Michael Gibson}, editor={Lopes, Renato D. and Harrington, Robert A.}, title={Chapter 2. Information Technology, Access, ClinicalTrials.gov}, booktitle={Understanding Clinical Research}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2013}, url={accessbiomedicalscience.mhmedical.com/content.aspx?aid=57835108} }