TY - CHAP M1 - Book, Section TI - Chapter 4. Drug Metabolism A1 - Trevor, Anthony J. A1 - Katzung, Bertram G. A1 - Kruidering-Hall, Marieke M. A1 - Masters, Susan B. Y1 - 2013 N1 - T2 - Katzung & Trevor's Pharmacology: Examination & Board Review, 10e AB - All organisms are exposed to foreign chemical compounds (xenobiotics) in the air, water, and food. To ensure elimination of pharmacologically active xenobiotics as well as to terminate the action of many endogenous substances, evolution has provided metabolic pathways that alter their activity and their susceptibility to excretion. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/29 UR - accesspharmacy.mhmedical.com/content.aspx?aid=56980223 ER -