Concentration-response curves illustrating the concept of potency. For a response of 0.25a.u., Drug B is more potent, as it generates this response at a lower concentration. For a response of 0.75a.u., Drug A is more potent. a.u. refers to "arbitrary units".
^MILES AA, PERRY EL. Biological potency and its relation to therapeutic efficacy. Bull World Health Organ. 1953;9(1):1-14. PMID: 13082386; PMCID: PMC2542104.
^ a bNeubig RR, Spedding M, Kenakin T, Christopoulos A (December 2003). "International Union of Pharmacology Committee on Receptor Nomenclature and Drug Classification. XXXVIII. Update on terms and symbols in quantitative pharmacology". Pharmacological Reviews. 55 (4): 597–606. doi:10.1124/pr.55.4.4. PMID 14657418. S2CID 1729572.
^"Introducing dose response curves". Graphpad Software. Archived from the original on 2012-07-30.
Further reading
Harris, Robert (2012-10-09). "Formulating High Potency Drugs". Contract Pharma. Retrieved 2013-11-13.
Walker MG, Page CP, Hoffman BF, Curtis M (2006). Integrated Pharmacology (3rd ed.). St. Louis: Mosby. ISBN 978-0-323-04080-8.