Franklin A. Ahrens (1 October 1996). Wiley-Blackwell, ed. Pharmacology. pp. 45–. ISBN9780683000856. Consultado o 25 November 2010.
mcgraw-hill.com
books.mcgraw-hill.com
Keith Parker; Laurence Brunton; Goodman, Louis Sanford; Lazo, John S.; Gilman, Alfred (2006). Goodman & Gilman's The Pharmacological Basis of Therapeutics, 11, New York: McGraw-Hill. ISBN 0-07-142280-3[1]Arquivado 18 de novembro de 2011 en Wayback Machine.
Keith Parker; Laurence Brunton; Goodman, Louis Sanford; Lazo, John S.; Gilman, Alfred (2006). Goodman & Gilman's The Pharmacological Basis of Therapeutics, 11, New York: McGraw-Hill. ISBN 0-07-142280-3[1]Arquivado 18 de novembro de 2011 en Wayback Machine.