<style face="normal" font="default" size="100%">Risk of death during and after opiate substitution treatment in primary care: prospective observational study in UK General Practice Research Database</style>

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31<style face="normal" font="default" size="100%">Risk of death during and after opiate substitution treatment in primary care: prospective observational study in UK General Practice Research Database</style><style face="normal" font="default" size="100%">Risk of death during and after opiate substitution treatment in primary care: prospective observational study in UK General Practice Research Database</style>