@inbook{1153945963,
author={David E. Mohrman and Lois Jane Heller},
title={Preface},
booktitle={Cardiovascular Physiology, 9e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2018},
url={accesscardiology.mhmedical.com/content.aspx?aid=1153945963}
}