aDepartment of Pharmacology, University of Barcelona, Odontology School, Feixa Llarga s/n, Hospitalet de LLobregat, 08907 Barcelona, Spain
bDepartment of Pharmacology, University of Barcelona, School of Medicine, Avenida Diagonal n/n, Zona Universitaria, 08028 Barcelona, Spain
cAnesthesiology Research Unit, IMIM, Department of Anesthesiology, Hospital del Mar, Autonomus University of Barcelona, Aiguader 80, E-08003 Barcelona, Spain
∗Corresponding author: Eulalia Planas, M.D., Ph.D., Dept. of Pharmacology, UB Odontology School, Feixa Llarga s/n. Hospitalet de LLobregat, 08907 Barcelona, Spain. Tel.: (34) 3-402-42-80; FAX: (34) 3-402-42-12.
(Received 6 January 1994; revision received 11 April 1994; accepted 14 April 1994.)
☆
Part of these results have been presented as communications to: the 5th Interscience World Conference on Inflammation, Antirrheumatics, Analgesics, Immunomodulators held in Genova, Switzerland, April 1993; and the 3th European Conference on Pain Research held in Brussels, Belgium, December 1993.