Media type: E-Article Title: Barriers to accessing and using health insurance cards among methadone maintenance treatment patients in northern Vietnam Contributor: Tran, Bach Xuan; Boggiano, Victoria L.; Nguyen, Cuong Tat; Nguyen, Long Hoang; Le Nguyen, Anh Tuan; Latkin, Carl A. imprint: Springer Science and Business Media LLC, 2017 Published in: Substance Abuse Treatment, Prevention, and Policy Language: English DOI: 10.1186/s13011-017-0119-0 ISSN: 1747-597X Keywords: Psychiatry and Mental health ; Health Policy Origination: Footnote: Access State: Open Access