TY  - RPRT
TI  - Do mammals make their own morphine?
AU  - R B Herbert
AU  - H Venter
AU  - S Pos
PY  - 2000
DO  - 10.1039/a809409h
UR  - https://pubmed.ncbi.nlm.nih.gov/11014334/
ID  - 11014334
ER  -