Inverted U-shaped dose-response curve of the anxiolytic effect of cannabidiol during public speaking in real life - Zuardi, Antonio Waldo; Rodrigues, Natália P.; Silva, Angélica L.; Bernardo, Sandra A.; Hallak, Jaime Eduardo Cecílio; Guimarães, Francisco Silveira; Crippa, José Alexandre de Souza (Frontiers in Pharmacology, 2017)