Renin-angiotensin-aldosterone system, HPA-axis and sleep-EEG changes in unmedicated patients with depression after total sleep deprivation - Murck, H; Uhr, M; Ziegenbein, M; Kunzel, H; Held, K; Antonijevic, I A; Schussler, P; Steiger, A (Pharmacopsychiatry, 2006)