References
- Centers for Disease Control (CDC). National Vital Statistics. June 30, 1999; Vol. 47, (Reports, No. 19, http://www.cdc.gov/nchs/data/nvs47_19.pdf
- Drucker E. From Morphine to Methadone. Harm Reduction, J. Inciardi, L. Harrison. Sage Publications, Thousand Oaks, CA 2000
- International Harm Reduction Association Conference, Jersey, 2000
- NIDA. Community Epidemiology Working Group. December, 1998; Volume II, Praceeding
- US Department of Health and Human Services, Office of Applied Studies, SAMHSA. 1998, (09/1999 update http://www.samhsa.gov/oas/contents.htm). 1990 Census (http://wonder.cdc.gov/wonder/help/mort.html).