High neuroticism and depressive temperament are associated with dysfunctional regulation of the hypothalamic–pituitary–adrenocortical system in healthy volunteers. - Zobel, A.; Barkow, K.; Schulze‐Rauschenbach, S.; Von Widdern, O.; Metten, M.; Pfeiffer, U.; Schnell, S.; Wagner, M.; Maier, W. (Acta Psychiatrica Scandinavica, 2004)