@inbook{55745828,
author={David A. Fritz, MD, FACEP},
editor={Stone, C. Keith and Humphries, Roger L.},
title={Chapter 6. Emergency Bedside Ultrasound},
booktitle={CURRENT Diagnosis & Treatment Emergency Medicine, 7e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2011},
url={accessmedicine.mhmedical.com/content.aspx?aid=55745828}
}