The self-administration of rapidly delivered cocaine promotes increased motivation to take the drug: contributions of prior levels of operant responding and cocaine intake.
Psychopharmacology (Berl). 2014 Oct;231(21):4241-52. doi: 10.1007/s00213-014-3576-4. Epub 2014 Apr 22.
Psychopharmacology (Berl). 2014.
PMID: 24752656