Hayes A G, Birch P J, Hayward N J, Sheehan M J, Rogers H, Tyers M B, Judd D B, Scopes D I, Naylor A
Department of Neuropharmacology, Glaxo Group Research Ltd., Ware. Herts.
Br J Pharmacol. 1990 Dec;101(4):944-8. doi: 10.1111/j.1476-5381.1990.tb14185.x.