Even high doses of oral cannabidiol do not cause THC-Like effects in humans: comment on merrick et al. cannabis and cannabinoid research 2016;1(1):102–112; DOI: 10.1089/can.2015.0004 - Grotenhermen, Franjo; Russo, Ethan; Zuardi, Antônio Waldo (Cannabis and Cannabinoid Research, 2017)