@inbook{1183877265, author={Reem A. Mustafa and Victor M. Montori and Peter Wyer and Thomas B. Newman and Sheri A. Keitz and Gordon Guyatt}, editor={Guyatt, Gordon and Rennie, Drummond and Meade, Maureen O. and Cook, Deborah J.}, title={Spectrum Bias}, 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=1183877265} }