TY - JOUR KW - Internet interventions KW - meta‐analysis KW - Opioid KW - stimulant KW - substance use KW - web‐based KW - Meta Analysis KW - Human KW - Adulthood (18 yrs & older) KW - Intervention KW - Drug Abuse KW - Amphetamine KW - Online Therapy KW - Opiates KW - cocaine KW - article KW - 3383:Drug & Alcohol Rehabilitation AU - Nikolaos Boumparis AU - Eirini Karyotaki AU - Michael P. Schaub AU - Pim Cuijpers AU - Heleen Riper A1 - AD - Department of Clinical, Neuro, and Developmental Psychology, Vrije Universiteit Amsterdam, Amsterdam, Netherlands n.boumparis@vu.nl; Swiss Research Institute for Public Health and Addiction, University of Zurich, Zurich, Switzerland ; Boumparis, Nikolaos,Van der Boechorststraat 1,Amsterdam,Netherlands,1081 BT,Department of Clinical, Neuro, and Developmental Psychology, Vrije Universiteit Amsterdam,n.boumparis@vu.nl BT - Addiction C5 - Opioids & Substance Use CP - 9 DO - 10.1111/add.13819 IS - 9 JF - Addiction LA - English M1 - Journal Article PB - Wiley-Blackwell Publishing Ltd. Blackwell Publishing PY - 2017 SN - 0965-2140, 0965-2140 SP - 1521 EP - 1532 EP - T1 - Internet interventions for adult illicit substance users: A meta‐analysis T2 - Addiction TI - Internet interventions for adult illicit substance users: A meta‐analysis U1 - Opioids & Substance Use U3 - 10.1111/add.13819 VL - 112 VO - 0965-2140, 0965-2140 Y1 - 2017 Y2 - 09 ER -