RT Book, Section A1 Hilal-Dandan, Randa A1 Brunton, Laurence L. SR Print(0) ID 1127547617 T1 Drug Metabolism T2 Goodman and Gilman's Manual of Pharmacology and Therapeutics, 2e YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 9780071769174 LK accessbiomedicalscience.mhmedical.com/content.aspx?aid=1127547617 RD 2024/04/19 AB Substances foreign to the body, or xenobiotics, are metabolized by the same enzymatic pathways and transport systems that are used for normal metabolism of dietary constituents. Drugs are considered xenobiotics and most are extensively metabolized in humans. The capacity to metabolize xenobiotics has made development of drugs very time consuming and costly due in large part to: