1. Environmental cues associated with cocaine availability reinstate cocaine-seeking behavior after prolonged extinction;Ben-Shahar;Soc. Neurosci. Abstr.,1998
2. Intravenous drug self-administration techniques in animals;Caine,1993
3. Abstinent opiate abusers exhibit conditioned craving, conditioned withdrawal, and reduction in both through extinction;Childress;Br. J Addict.,1986
4. Classically conditioned factors in drug dependence;Childress,1992
5. Extinction of conditioned responses in abstinent cocaine or opioid users;Childress,1987