Escalation of cocaine intake with extended access in rats: dysregulated addiction or regulated acquisition?
Psychopharmacology (2012) - Comments
pubmed: 22249361  doi: 10.1007/s00213-012-2641-0  issn: 1432-2072  issn: 0033-3158 

Joshua S. Beckmann, Cassandra D. Gipson, Julie A. Marusich, Michael T. Bardo