Information on Drugs of Abuse: Cocaine - Scientific research from the National Institute on Drug Abuse about the effects of cocaine abuse, addiction, the physical effects on the brain, and on the body. Resources for students, parents, and researchers. - http://www.drugabuse.gov/DrugPages/Cocaine.html
MedlinePlus: Cocaine Abuse - Overview of cocaine/crack abuse research and information from the National Institutes of Health (U.S.). - http://www.nlm.nih.gov/medlineplus/cocaineabuse.html
Tips for Teens about Crack and Cocaine - Overview, quick facts and risks associated with crack and cocaine from the National Clearinghouse for Alcohol and Drug Information. - http://www.health.org/govpubs/phd640i/