Neubig 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. Pharmacol Rev. 55 (4): 597—606. doi:10.1124/pr.55.4.4. PMID14657418.
Neubig 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. Pharmacol Rev. 55 (4): 597—606. doi:10.1124/pr.55.4.4. PMID14657418.