1. Marijuana;Nahas,1973
2. 2. www.drugabuse.gov/NIDAHome.html [information on drugs from the National Institute on Drug Abuse USA].
3. Health aspects of cannabis;Hollister;Pharmacol Rev,1986
4. Health aspects of cannabis: revisited;Hollister;Int J Neuropsychopharmacol,1998
5. Marijuana Myths, Marijuana Facts;Zimmer,1997