Intra-dorsal periaqueductal gray administration of cannabidiol blocks panic-like response by activating 5-HT1A receptors - Soares, Vanessa de Paula; Campos, Alline Cristina; Bortoli, Valquíria Camin de; Zangrossi Júnior, Hélio; Guimarães, Francisco Silveira; Zuardi, Antonio Waldo (Behavioural Brain Research, 2010)