Pcp references
*https://www.google.ca/searchq=pcp+chemical+structure&safe=strict&espv=2&biw=1280&bih=895&source=lnms&tbm=isch&s=X&ei=KDBfVemWC4WNyATn_oGgBg&sqi=2&ved=0CAYQ_AUoAQ#imgrc=Asgvl8x3mKx4hM%253A%3B4tFP48hpo6fH_M%3Bhttp%253A%252F%252F128.192.145.172%252FImages2%252Fpcp.gif%3Bhttp%253A%252F%252F128.192.145.172%252Fdan36.html%3B300%3B237
*http://pubchem.ncbi.nlm.nih.gov/compound/phencyclidine
*http://www.drugs.com/illicit/pcp.html
*http://img.medscape.com/pi/emed/ckb/pediatrics_cardiac/1331339-1331349-1010821-1666333.jpg\
*http://pubchem.ncbi.nlm.nih.gov/compound/phencyclidine
*http://www.drugs.com/illicit/pcp.html
*http://img.medscape.com/pi/emed/ckb/pediatrics_cardiac/1331339-1331349-1010821-1666333.jpg\
Yage references
*http://www.ayahuasca.com/
*http://www.nationalgeographic.com/adventure/0603/features/peru.html
*http://www.nationalgeographic.com/adventure/0603/features/peru.html
LSD references
*http://www.intheknowzone.com/substance-abuse-topics/hallucinogens/what-is-lsd.html
*http://www.emcdda.europa.eu/publications/drug-profiles/lsd
*
*http://www.emcdda.europa.eu/publications/drug-profiles/lsd
*