@inbook{57789270,
author={William G. Heegaard and Felix Walcher and Franziska Brenner and Marco Campo dell'Orto and Thomas Kirschning and Ingo Marzi and Raoul Breitkreutz and Peter M. Zechner and Gernot Aichinger and Gernot Wildner and Gerhard Prause and Tomislav Petrovic and Frédéric Lapostolle and Frédéric Adnet and Jeffrey D. Ho and Andrew W. Kirkpatrick and Paul B. McBeth and Innes Crawford and Corina Tiruta and Daniel D. Price},
editor={Ma, O. John and Mateer, James R. and Reardon, Robert F. and Joing, Scott A.},
title={Chapter 4. Ultrasound in Prehospital and Austere Environments},
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=57789270}
}