1. Brown RT, Braden NJ. Hallucinogens. Pediatr Clin N Am. 1987;34:341–7.
2. Parish BS. Hallucinogen use. Medscape.
http://emedicine.medscape.com/article/293752-overview
. November 23, 2015.
3. National survey on drug use and health: trends in prevalence of various drugs for ages 12 or older, ages 12 to 17, ages 18 to 25, and ages 26 or older. National Institute on Drug Abuse (NIDA) 2015.
https://www.drugabuse.gov/national-survey-drug-use-health
4. LSD. Center for Substance Abuse Research (CESAR)/University of Maryland.
http://www.cesar.umd.edu/cesar/drugs/lsd.asp
. October 29, 2013.
5. O’Brien R, Cohen S. The encyclopedia of drug abuse. New York: Facts on File; 1984.