title: Effect of chronic variable stress on corticosterone levels and hippocampal extracellular 5-HT in rats with persistent differences in positive affectivity.
authors.affiliation: Department of Psychology, Estonian Centre of Behavioural and Health Sciences, University of Tartu, Tiigi 78, 50410, Tartu, Estonia.
authors.forename: Karita
authors.initials: K
authors.lastname: Raudkivi
authors.affiliation: Department of Psychology, Estonian Centre of Behavioural and Health Sciences, University of Tartu, Tiigi 78, 50410, Tartu, Estonia.
authors.forename: Tanel
authors.initials: T
authors.lastname: Mällo
authors.affiliation: Department of Psychology, Estonian Centre of Behavioural and Health Sciences, University of Tartu, Tiigi 78, 50410, Tartu, Estonia.
authors.forename: Jaanus
authors.initials: J
authors.lastname: Harro