We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRole of Mu- and Delta-Opioid Receptors in the Nucleus Accumbens in Cocaine-Seeking Behavior.AuthorsSimmons, Diana; Self, David W.PublicationNeuropsychopharmacology, 2009, Vol 34, Issue 8, p1946ISSN0893-133xPublication typearticleDOI10.1038/npp.2009.28