The dorsal raphe nucleus exerts opposed control on generalized anxiety and panic-related defensive responses in rats - Sena, Ligia Moreiras; Bueno, Cintia; Pobbe, Roger Luís Henschel; Andrade, Telma Gonçalves Carneiro Spera de; Zangrossi Junior, Hélio; Viana, Milena de Barros (Behavioural Brain Research, 2003)