@inbook{1158495047,
author={Curtis D. Klaassen},
title={Preface to the First Edition},
booktitle={Casarett & Doull’s Toxicology: The Basic Science of Poisons, 9th edition},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2019},
url={accessbiomedicalscience.mhmedical.com/content.aspx?aid=1158495047}
}