title: Marijuana use by GIs in Viet Nam.
mesh_terms: D002188:Cannabis; D006801:Humans; D001523:Mental Disorders / Q000139:chemically induced / Q000453:epidemiology; D008889:Military Personnel; D008890:Military Psychiatry; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014481:United States; D014744:Vietnam; D014754:Violence