title: Cocaine self-administration markedly increases dopamine D2 receptor negative cooperativity for dopamine binding: A receptor dimer-based analysis.
authors.affiliation: Department of Biochemistry and Molecular Biology, University of Barcelona, Diagonal 645, Barcelona, Spain. rfranco@unav.es
authors.forename: Rafael
authors.initials: R
authors.lastname: Franco
authors.forename: Philip
authors.initials: P
authors.lastname: Seeman
authors.forename: Carlos
authors.initials: C
authors.lastname: Barrera
authors.forename: Maria S
authors.initials: MS
authors.lastname: Aymerich