title: Comorbidity of mental disorders and nicotine dependence.
authors.forename: J R
authors.initials: JR
authors.lastname: Hughes
mesh_terms: D015897:Comorbidity; D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology*; D009538:Nicotine; D019966:Substance-Related Disorders / Q000453:epidemiology*
chemical_list: D009538:Nicotine