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Aims
To describe the polysubstance use patterns of heroin‐dependent patients and to understand the impact of polysubstance use patterns on relapse during the 5 years after completing compulsory rehabilitation programmes.
Design
In this secondary analysis, the baseline data of 503 heroin‐dependent patients were linked with their 5‐year follow‐up data from official records.
Setting
Four compulsory...
Aims Methadone maintenance treatment has been made available in China in response to the rapid spread of human immunodeficiency virus (HIV), but high rates of dropout and relapse are problematic. The aim of this study was to apply and test if a contingency management (or motivational incentives) intervention can improve treatment retention and reduce drug use.
Design Random assignment to usual care...
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