TY  - RPRT
TI  - Opioids: similarity between evaluations of subjective effects and animal self-administration results.
AU  - R R Griffiths
AU  - R L Balster
PY  - 1979
DO  - 10.1002/cpt1979255part1611
UR  - https://pubmed.ncbi.nlm.nih.gov/108042/
ID  - 108042
ER  -