@inbook{1158495037, author={Curtis D. Klaassen}, title={Preface}, 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=1158495037} }