@inbook{56851975, author={Daniel J. Sullivan, MD, MPH}, editor={Henderson, Mark C. and Tierney, Lawrence M. and Smetana, Gerald W.}, title={Chapter 17. Ear Pain}, booktitle={The Patient History: An Evidence-Based Approach to Differential Diagnosis, 2e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2012}, url={accessmedicine.mhmedical.com/content.aspx?aid=56851975} }