TY - CHAP M1 - Book, Section TI - Drug Metabolism A1 - Katzung, Bertram G. A1 - Kruidering-Hall, Marieke A1 - Tuan, Rupa Lalchandani A1 - Vanderah, Todd W. A1 - Trevor, Anthony J. PY - 2021 T2 - Katzung & Trevor's Pharmacology: Examination & Board Review, 13e AB - All organisms are exposed to foreign chemical compounds (xenobiotics) in the air, water, and food. To ensure elimination of pharmacologically active xenobiotics and to terminate the action of many endogenous substances, evolution has provided metabolic pathways that alter such compounds’ activity and their susceptibility to excretion. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/18 UR - accessmedicine.mhmedical.com/content.aspx?aid=1180555069 ER -