title: Regarding "Is cigarette smoking a gateway to alcohol and illicit drug use disorders? A study of youths with and without attention deficit hyperactivity disorder".
authors.forename: Mark S
authors.initials: MS
authors.lastname: Gold
authors.forename: Kimberly
authors.initials: K
authors.lastname: Frost-Pineda
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001289:Attention Deficit Disorder with Hyperactivity / Q000453:epidemiology*; D006801:Humans; D012907:Smoking / Q000009:adverse effects*; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000209:etiology