TY - JOUR KW - Cost-Benefit Analysis KW - HIV Infections/economics/prevention & control/transmission KW - Humans KW - International Cooperation KW - Methadone/administration & dosage/economics/therapeutic use KW - Opiate Substitution Treatment/economics/methods/trends KW - Opioid-Related Disorders/complications/epidemiology/rehabilitation KW - Program Evaluation KW - Social Stigma KW - Substance Abuse, Intravenous/complications/economics/rehabilitation AU - S. Sullivan A1 - BT - Bulletin of the World Health Organization C5 - Opioids & Substance Use; Financing & Sustainability CP - 2 CY - Switzerland DO - 10.2471/BLT.13.117374 IS - 2 JF - Bulletin of the World Health Organization PP - Switzerland PY - 2013 SN - 1564-0604; 0042-9686 SP - 83 T1 - Opioid substitution: Improving cost-efficiency T2 - Bulletin of the World Health Organization TI - Opioid substitution: Improving cost-efficiency U1 - Opioids & Substance Use; Financing & Sustainability U2 - 23554517 U3 - 10.2471/BLT.13.117374 VL - 91 VO - 1564-0604; 0042-9686 Y1 - 2013 ER -