@inbook{1106128077,
author={Alexander B. Levitov and Paul H. Mayo and Anthony D. Slonim},
title={Acknowledgments},
booktitle={Critical Care Ultrasonography, 2e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2015},
url={accessanesthesiology.mhmedical.com/content.aspx?aid=1106128077}
}