Is marijuana use becoming a 'gateway' to nicotine dependence?
Humfleet
Gary L
GL
Haas
Amie L
AL
D000293:Adolescent; D000294:Adolescent Behavior; D006801:Humans; D008385:Marijuana Smoking / Q000523:psychology*; D012907:Smoking / Q000523:psychology; D014029:Tobacco Use Disorder / Q000209:etiology*