TY - GEN AU - Grisham,M G AU - Ferraro,D P TI - Biphasic effects of 9 -tetrahydrocannabinol on variable interval schedule performance in rats PY - 1973///0202 KW - Animals KW - Behavior, Animal KW - drug effects KW - Cannabis KW - pharmacology KW - Conditioning, Operant KW - Dose-Response Relationship, Drug KW - Dronabinol KW - Male KW - Rats KW - Reinforcement Schedule N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/BF00439375 ER -