TY - JOUR KW - article KW - Criminality KW - Health Status KW - Heroin KW - Mortality KW - Opioids KW - Social functioning AU - Stefan Gutwinski AU - Lena Karoline Bald AU - Jurgen Gallinat AU - Andreas Heinz AU - Felix Bermpohl A1 - BT - Substance use & misuse C5 - Opioids & Substance Use CP - 6 IS - 6 JF - Substance use & misuse PB - Informa Healthcare, New York NY PY - 2014 SN - 1082-6084, 1082-6084 SP - 694 EP - 699 EP - T1 - Why do Patients Stay in Opioid Maintenance Treatment? T2 - Substance use & misuse TI - Why do Patients Stay in Opioid Maintenance Treatment? U1 - Opioids & Substance Use VL - 49 VO - 1082-6084, 1082-6084 Y1 - 2014 ER -