TY - JOUR KW - substance use KW - Opioid substitution therapy KW - treatment KW - Drug Therapy KW - Empirical Study KW - Followup Study KW - Quantitative Study KW - Human KW - Male KW - Female KW - Adulthood (18 yrs & older) KW - Drug Abuse KW - Opiates KW - Switzerland KW - article KW - 3340:Clinical Psychopharmacology KW - 3233:Substance Abuse & Addiction AU - Marcus Herdener AU - Kenneth M. Dursteler AU - Erich Seifritz AU - Carlos Nordt A1 - AD - Centre for Addictive Disorders, Psychiatric Hospital, University of Zurich, Zurich, Switzerland marcus.herdener@bli.uzh.ch; Department for Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland ; Herdener, Marcus,Zurich,Switzerland,CH-8001,Center for Addictive Disorders, Department for Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich,marcus.herdener@bli.uzh.ch BT - The Lancet Psychiatry C5 - Opioids & Substance Use CP - 4 DO - 10.1016/S2215-0366(17)30080-9 IS - 4 JF - The Lancet Psychiatry LA - English M1 - Journal Article PB - Elsevier Science David Collingdre PY - 2017 SN - 2215-0366, 2215-0366 SP - 302 EP - 309 EP - T1 - Changes in substance use in patients receiving opioid substitution therapy and resulting clinical challenges: A 17-year treatment case register analysis T2 - The Lancet Psychiatry TI - Changes in substance use in patients receiving opioid substitution therapy and resulting clinical challenges: A 17-year treatment case register analysis U1 - Opioids & Substance Use U3 - 10.1016/S2215-0366(17)30080-9 VL - 4 VO - 2215-0366, 2215-0366 Y1 - 2017 Y2 - 04 ER -