TY  - RPRT
TI  - Morphine: radioimmunoassay.
AU  - S Spector
AU  - C W Parker
PY  - 1970
DO  - 10.1126/science.168.3937.1347
UR  - https://pubmed.ncbi.nlm.nih.gov/5444264/
ID  - 5444264
ER  -