1. PCP - Phencyclidine
PCP (phencyclidine) is classified as a hallucinogen and has many of the same effects as LSD, but can be much more dangerous. In the 1950's, PCP was investigated as an anesthetic, but due to its severe side effects, its development for human use...
http://www.streetdrugs.org/pcp.htm

2. PCP High
Rewarding actions of phencyclidine and related drugs in nucleus accumbens shell and frontal cortex. Rewarding actions of phencyclidine and related drugs in nucleus accumbens shell and frontal cortex. Center for Studies in Behavioral Neurobiology,.
http://www.biopsychiatry.com/nmda.htm

3. National Institute on Drug Abuse
The mission of the National Institute on Drug Abuse (NIDA) is to lead the Nation bringing the power of science to bear on drug abuse and addiction. For researchers clinicians to exchange information collaborate on research.
http://www.drugabuse.gov/