TY  - RPRT
TI  - Herbal mind altering substances: an unknown quantity?
AU  - C Doughty
AU  - A Walker
AU  - J Brenchley
PY  - 2004
DO  - 10.1136/emj.2003.005751
UR  - https://pubmed.ncbi.nlm.nih.gov/14988370/
ID  - 14988370
ER  -