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Hser, Yih-Ing; And Others – Evaluation Review, 1988
A repeated measures design was used to evaluate methadone maintenance (MM) treatment effects for 720 heroin addicts who entered MM in Southern California in 1971-1978. Compared to pretreatment measures, results show significant improvement for methadone users. Level of improvement was affected by sex, ethnicity, and treatment duration. (TJH)
Descriptors: Drug Rehabilitation, Ethnicity, Medical Care Evaluation, Outcomes of Treatment