1. Impact of methadone maintenance on health utility, health care utilization and expenditure in drug users with HIV/AIDS 
Bach Xuan Tran, Long Thanh Nguyen 
International Journal of Drug Policy 
Volume 24, Issue 6, Pages e105-e110 (November 2013)
DOI: /j.drugpo
Copyright © 2013 Elsevier B.V. Terms and Conditions

2. Fig. 1 Average OOP expenditure for an inpatient care (US$).
International Journal of Drug Policy  , e105-e110DOI: ( /j.drugpo )
Copyright © 2013 Elsevier B.V. Terms and Conditions

3. Fig. 2 Average OOP expenditure an outpatient care (US$).
International Journal of Drug Policy  , e105-e110DOI: ( /j.drugpo )
Copyright © 2013 Elsevier B.V. Terms and Conditions