The entire process of absorption, distribution through the tissues of the body, metabolism and excretion is called, collectively, the pharmacokinetics of a drug. Bioavailability, the percentage of a particular drug that makes it from the dosage form into circulation in the blood.
- Brunton, LL; Chabner, BA; Knollmann, BC, ed. (2010). "Chapter 2. Pharmacokinetics: The Dynamics of Drug Absorption, Distribution, Metabolism, and Elimination". Goodman & Gilman's Pharmacological Basis of Therapeutics (12th ed.). New York, USA: McGraw-Hill Professional. ISBN 978-0-07-162442-8.