The interplay of cannabinoid and NMDA glutamate receptor systems in humans: preliminary evidence of interactive effects of cannabidiol and ketamine in healthy human subjects - Hallak, Jaime Eduardo Cecílio; Dursun, Serdar M.; Bosi, Daniel C.; Macedo, Ligia Ribeiro Horta de; Machado-de-Sousa, João Paulo; Abrão, João; Crippa, José Alexandre de Souza; McGuire, Phillip; Krystal, John H.; Baker, Glen B.; Zuardi, Antonio Waldo (Progress in Neuro-Psychopharmacology & Biological Psychiatry, 2011)