1. Conditioned fear exacerbates acute precipitation of the morphine withdrawal syndrome;Abrahamsen;Soc. Neurosci. Abstr.,1993
2. Nicotine's opioid and anti-opioid interactions: Proposed role in smoking behavior;Aceto;Eur. J. Pharmacol.,1993
3. Withdrawal from chronic morphine treatment produces alterations in the beta-adrenergic receptor-coupled adenylate cyclase system;Ackerman;Soc. Neurosci. Abstr.,1993
4. Blockade of δ-opioid receptors in the nucleus accumbens prevents ethanol-induced stimulation of dopamine release;Acquas;Eur. J. Pharmacol.,1993
5. Increased glutamate release in the locus coeruleus (LC) during opiate withdrawal: A microdialysis study;Aghajanian;Soc. Neurosci. Abstr.,1993