title: Methylxanthines (caffeine and theophylline) blocked methamphetamine-induced conditioned place preference in mice but enhanced that induced by cocaine.
authors.affiliation: Department of Psychology, Keio University, Tokyo, Japan.
authors.forename: D B
authors.initials: DB
authors.lastname: Tuazon
authors.forename: T
authors.initials: T
authors.lastname: Suzuki
authors.forename: M
authors.initials: M
authors.lastname: Misawa
authors.forename: S
authors.initials: S
authors.lastname: Watanabe
mesh_terms: D000818:Animals; D002110:Caffeine / Q000494:pharmacology*; D003042:Cocaine / Q000494:pharmacology*; D003213:Conditioning, Psychological / Q000187:drug effects*; D004305:Dose-Response Relationship, Drug; D004357:Drug Synergism; D008694:Methamphetamine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D051379:Mice; D008815:Mice, Inbred Strains; D013806:Theophylline / Q000494:pharmacology*
chemical_list: D002110:Caffeine; D008694:Methamphetamine; D013806:Theophylline; D003042:Cocaine