![]() | Up a level |
Boumparis, Nikolaos and Karyotaki, Eirini and Schaub, Michael P and Cuijpers, Pim and Riper, Heleen (2017) Internet interventions for adult illicit substance users: a meta-analysis. Addiction , 112 , (9) , pp. 1521-1532.
Uchtenhagen, A and Schaub, Michael P (2011) Minimum quality standards in drug demand reduction EQUS. Zurich: Research Institute for Public Health and Addiction.