title: Brain regions and drug addiction.
authors.forename: R E
authors.initials: RE
authors.lastname: Harlan
authors.forename: M M
authors.initials: MM
authors.lastname: Garcia
mesh_terms: D002110:Caffeine / Q000494:pharmacology*; D002421:Caudate Nucleus / Q000098:blood supply / Q000187:drug effects* / Q000378:metabolism; D002560:Cerebrovascular Circulation / Q000187:drug effects; D005786:Gene Expression Regulation; D016762:Genes, fos; D006801:Humans; D011699:Putamen / Q000098:blood supply / Q000187:drug effects* / Q000378:metabolism; D019966:Substance-Related Disorders / Q000209:etiology*
chemical_list: D002110:Caffeine