TY - JOUR KW - Adult KW - Analgesics, Opioid/therapeutic use KW - Buprenorphine/therapeutic use KW - Female KW - Heroin Dependence/drug therapy KW - Humans KW - Longitudinal Studies KW - Male KW - Methadone/therapeutic use KW - Opiate Substitution Treatment/methods KW - Opioid-Related Disorders/drug therapy/epidemiology KW - Prevalence KW - Prospective Studies KW - Surveys and Questionnaires KW - Treatment Outcome KW - buprenorphine KW - Epidemiology KW - Methadone KW - opioid dependence KW - Opioids KW - outcome AU - Michael Soyka AU - Jens Strehle AU - Jurgen Rehm AU - Gerhard Buhringer AU - Hans-Ulrich Wittchen A1 - AD - Medical Park Chiemseeblick, Bernau, Germany. BT - European addiction research C5 - Medically Unexplained Symptoms; Opioids & Substance Use CP - 2 CY - Switzerland DO - 10.1159/000468518 IS - 2 JF - European addiction research LA - eng M1 - Journal Article PB - S. Karger AG, Basel PP - Switzerland PY - 2017 SN - 1421-9891; 1022-6877 SP - 97 EP - 105 EP - T1 - Six-Year Outcome of Opioid Maintenance Treatment in Heroin-Dependent Patients: Results from a Naturalistic Study in a Nationally Representative Sample T2 - European addiction research TI - Six-Year Outcome of Opioid Maintenance Treatment in Heroin-Dependent Patients: Results from a Naturalistic Study in a Nationally Representative Sample U1 - Medically Unexplained Symptoms; Opioids & Substance Use U2 - 28376505 U3 - 10.1159/000468518 VL - 23 VO - 1421-9891; 1022-6877 Y1 - 2017 ER -