We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleComparison of self-administration behavior and responsiveness to drug-paired cues in rats running an alley for intravenous heroin and cocaine.AuthorsSu ZI; Wenzel J; Baird R; Ettenberg APublicationPsychopharmacology, 2011, Vol 214, Issue 3, p769ISSN1432-2072Publication typearticleDOI10.1007/s00213-010-2088-0