TY - JOUR KW - Adolescent KW - Adult KW - Analgesics, Opioid/therapeutic use KW - barriers KW - Cross-Sectional Studies KW - Female KW - Health Insurance KW - Health Services Accessibility/statistics & numerical data KW - Humans KW - Insurance, Health/economics/statistics & numerical data KW - Male KW - methadone maintenance treatment KW - Methadone/therapeutic use KW - Middle Aged KW - Opiate Substitution Treatment/psychology KW - Patient Acceptance of Health Care/statistics & numerical data KW - Rural Population/statistics & numerical data KW - Urban Population/statistics & numerical data KW - Vietnam KW - Young Adult AU - B. X. Tran AU - V. L. Boggiano AU - C. T. Nguyen AU - L. H. Nguyen AU - A. T. Le Nguyen AU - C. A. Latkin A1 - BT - Substance abuse treatment, prevention, and policy C5 - Opioids & Substance Use; Financing & Sustainability CP - 1 CY - England DO - 10.1186/s13011-017-0119-0 IS - 1 JF - Substance abuse treatment, prevention, and policy PP - England PY - 2017 SN - 1747-597X; 1747-597X SP - 35 T1 - Barriers to accessing and using health insurance cards among methadone maintenance treatment patients in northern Vietnam T2 - Substance abuse treatment, prevention, and policy TI - Barriers to accessing and using health insurance cards among methadone maintenance treatment patients in northern Vietnam U1 - Opioids & Substance Use; Financing & Sustainability U2 - 28716045 U3 - 10.1186/s13011-017-0119-0 VL - 12 VO - 1747-597X; 1747-597X Y1 - 2017 ER -