title: Opening the "black box" of drug abuse treatment-measurement and evaluation of the treatment domain.
authors.affiliation: Addiction Research Center, National Institute on Drug Abuse, Baltimore, Maryland.
authors.forename: J C
authors.initials: JC
authors.lastname: Ball
mesh_terms: D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D009293:Opioid-Related Disorders / Q000534:rehabilitation; D019966:Substance-Related Disorders / Q000534:rehabilitation*
chemical_list: D008691:Methadone