@inbook{1175573743,
author={O. John Ma and James R. Mateer and Robert F. Reardon and Donald V. Byars and Barry J. Knapp and Andrew P. Laudenbach},
title={},
booktitle={Ma and Mateer's Emergency Ultrasound, 4e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2021},
url={accessemergencymedicine.mhmedical.com/content.aspx?aid=1175573743}
}