@inbook{1113948282, author={Curtis D. Klaassen and John B. Watkins III}, title={Preface}, booktitle={Casarett & Doull’s Essentials of Toxicology, 3e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accessbiomedicalscience.mhmedical.com/content.aspx?aid=1113948282} }