Control of cigarette smoking topography : smoke filtration and draw resistance
Stimulus generalization from cocaine to analogs with high in vitro affinity for dopamine uptake sites
Opioid nature of learned helplessness and stress-induced analgesia observed without re-exposure to shock
Resistance of baseline activity in the elevated pius-maze to exogenous influences
Prolonged social recognition in male rats treated with alaptide or oxiracetam
Naloxone benzylhydrazone is a μ-selective opioid antagonist without κ agonist effects in rhesus monkeys
Effects of phencyclidine-like drugs on responding under muitiple fixed-ratio, fixed-interval schedules
Ritanserin overcomes exploratory inhibition induced by cocaine withdrawal
The effects of amphetamine, apomorphine, SKF 38393, quinpirole and bromoeriptine on responding for conditioned reward in rats