TY - GEN AU - Alderson,H L AU - Robbins,T W AU - Everitt,B J TI - Heroin self-administration under a second-order schedule of reinforcement: acquisition and maintenance of heroin-seeking behaviour in rats SN - 0033-3158 PY - 2001///0510 KW - Animals KW - Behavior, Animal KW - drug effects KW - Cocaine KW - pharmacology KW - Conditioning, Operant KW - Dopamine Uptake Inhibitors KW - Dose-Response Relationship, Drug KW - Extinction, Psychological KW - Heroin KW - administration & dosage KW - Heroin Dependence KW - psychology KW - Male KW - Naloxone KW - Narcotic Antagonists KW - Narcotics KW - Rats KW - Reinforcement Schedule KW - Self Administration N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1007/s002130000429 ER -