@inbook{1001229780,
author={O. John Ma and James R. Mateer and Robert F. Reardon and Scott A. Joing},
title={Contributors},
booktitle={Ma and Mateer's Emergency Ultrasound, 3e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2014},
url={accessemergencymedicine.mhmedical.com/content.aspx?aid=1001229780}
}