Marijuana.
D002188:Cannabis; D006212:Hallucinations / Q000139:chemically induced; D006801:Humans; D008238:Lysergic Acid Diethylamide; D008887:Military Medicine; D011605:Psychoses, Substance-Induced / Q000209:etiology; D019966:Substance-Related Disorders; D014744:Vietnam
D008238:Lysergic Acid Diethylamide