Animal Models of Drug Relapse and Craving after Voluntary Abstinence: A Review

Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden

Address correspondence to:
Ida Fredriksson, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, 251 Bayview Blvd., Baltimore, Maryland 21224. E-mail: ida.fredriksson{at}nih.gov; or Yavin Shaham, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, 251 Bayview Blvd., Baltimore, Maryland 21224. E-mail: yavin.shaham{at}nih.gov