@inbook{1177945063,
author={Curtis D. Klaassen and John B. Watkins, III},
title={Preface},
booktitle={Casarett & Doull’s Essentials of Toxicology, 4e},
publisher={McGraw Hill},
address={New York, NY},
year={2021},
url={accessbiomedicalscience.mhmedical.com/content.aspx?aid=1177945063}
}