Enlargement of the amygdala in patients with a first episode of major depression. - Frodl,T.; Meisenzahl,E.; Zetzsche,T.; Bottlender,R.; Born,C.; Groll,C.; Jäger,M.; Leinsinger,G.; Hahn,K.; Möller,H.J. (Biol Psychiatry, 2002)