1. Drugs of abuse;Kosten,2001
2. Trends in cocaine abuse reflected in emergency room episodes reported to DAWN;Colliver;Public Health Rep,1991
3. Trends in a decade of drug abuse presentations to an inner city ED;Leikin;Am J Emerg Med,2001
4. The Drug Abuse Warning Network. Table 2.2.0. Available at. http://dawninfo.samhsa.gov/pubs_94_02/pickatable/2002/2.2.0.xls. Accessed September 13, 2003.
5. Office of Applied Studies,2000