Trends in cannabis use disorder by cigarette smoking status in the United States, 2002-2016 - Weinberger, Andrea H.; Goodwin, Renee D.; Hasin, Deborah S.; Moeller, Scott J.; Nahvi, Shadi; Galea, Sandro; Copeland, Jan; Zvolensky, Michael J.; Wall, Melanie M.; Pacek, Lauren R. (Drug and alcohol dependence, 2018)