title: Substance abuse and LD. Introduction.
authors.affiliation: National Center on Addiction and Substance Abuse at Columbia University, USA.
authors.forename: P
authors.initials: P
authors.lastname: Johnson
mesh_terms: D015897:Comorbidity; D006801:Humans; D007859:Learning Disabilities / Q000453:epidemiology* / Q000534:rehabilitation; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000534:rehabilitation; D014481:United States