TY  - RPRT
TI  - Self-administration of delta 9-tetrahydrocannabinol by rats.
AU  - R N Takahashi
AU  - G Singer
PY  - 1979
DO  - 10.1016/0091-3057(79)90274-0
UR  - https://pubmed.ncbi.nlm.nih.gov/231789/
ID  - 231789
ER  -