Effects of cannabidiol and diazepam on behavioral and cardiovascular responses induced by contextual conditioned fear in rats - Resstel, Leonardo Barbosa Moraes; Joca, Sâmia Regiane Lourenço; Moreira, Fabrício A.; Corrêa, Fernando Morgan de Aguiar; Guimarães, Francisco Silveira (Behavioural Brain Research, 2006)