title: Some considerations on the prevalence of MDMA use.
mesh_terms: D015104:3,4-Methylenedioxyamphetamine / Q000031:analogs & derivatives; D000662:Amphetamines; D006801:Humans; D018817:N-Methyl-3,4-methylenedioxyamphetamine; D019966:Substance-Related Disorders; D014481:United States
chemical_list: D000662:Amphetamines; D015104:3,4-Methylenedioxyamphetamine; D018817:N-Methyl-3,4-methylenedioxyamphetamine