Retention in treatment of drug users: 1971-1972 DARP admissions.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D004522:Educational Status; D005006:Ethnicity; D005260:Female; D006760:Hospitalization; D006801:Humans; D007256:Information Systems; D008297:Male; D008691:Methadone / Q000627:therapeutic use; D010044:Outpatient Clinics, Hospital; D010352:Patient Dropouts; D012737:Sex Factors; D019966:Substance-Related Disorders / Q000534:rehabilitation*; D013808:Therapeutic Community; D013997:Time Factors; D014481:United States
D008691:Methadone