Cocaine and heroin use by methadone maintenance patients.
Ball
J C
JC
Addiction Research Center, Baltimore, MD 21224.
Ross
A
A
Jaffe
J H
JH
D003042:Cocaine; D005500:Follow-Up Studies; D006556:Heroin Dependence / Q000534:rehabilitation*; D006801:Humans; D008297:Male; D008691:Methadone / Q000627:therapeutic use*; D015813:Substance Abuse Detection / Q000379:methods*; D019966:Substance-Related Disorders / Q000534:rehabilitation*
D003042:Cocaine; D008691:Methadone