Relative efficacy of cash versus vouchers in engaging opioid substitution treatment clients in survey-based research
| Autor: | Topp, Libby, Islam, M Mofizul, Day, Carolyn Ann |
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| Zdroj: | Journal of Medical Ethics, 2013 Apr 01. 39(4), 253-256. |
| Databáze: | JSTOR Journals |
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