title: Ecstasy: the key to understanding problem use lies in understanding the users'social networks.
authors.forename: J C
authors.initials: JC
authors.lastname: Hendrickson
mesh_terms: D006213:Hallucinogens / Q000009:adverse effects; D006801:Humans; D008019:Life Style; D018817:N-Methyl-3,4-methylenedioxyamphetamine / Q000009:adverse effects; D012931:Social Environment; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000517:prevention & control; D014481:United States / Q000453:epidemiology
chemical_list: D006213:Hallucinogens; D018817:N-Methyl-3,4-methylenedioxyamphetamine