1. Ministry of Public Security (2013) Registered Chinest drug addicts reached 2.2 million. Available: http://epaper.jinghua.cn/html/2013-07/03/content_5557.htm.
2. HIV and HCV prevalence among entrants to methadone maintenance treatment clinics in China: a systematic review and meta-analysis;X Zhuang;BMC Infectious Diseases,2012
3. National Center for AIDS/STD Control and Prevention of China CDC 2011 Estimates for the HIV/AIDS Epidemic in China. People's Republic of China Joint United Nations Programme on HIV/AIDS World Health Organization. Available: http://www.unaids.org.cn/pics/20130521161757.pdf. Accessed 12 July 2013.
4. The Chinese government's response to drug use and HIV/AIDS: A review of policies and programs;J Li;Harm Reduction Journal,2010
5. Scaling up the national methadone maintenance treatment program in China: achievements and challenges;W Yin;Int J Epidemiol,2010