@inbook{1115165655, author={Anthony J. Trevor and Bertram G. Katzung and Marieke Kruidering-Hall}, title={Preface}, booktitle={Katzung & Trevor's Pharmacology: Examination & Board Review, 11e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2018}, url={accesspharmacy.mhmedical.com/content.aspx?aid=1115165655} }