title: National treatment system evaluation based on the Drug Abuse Reporting Program (DARP) followup research.
mesh_terms: D005069:Evaluation Studies as Topic; D005500:Follow-Up Studies; D006801:Humans; D008722:Methods; D011379:Prognosis; D012042:Registries; D019966:Substance-Related Disorders / Q000628:therapy*; D013997:Time Factors