1. Rebound increase of nocturnal serum melatonin levels following evening suppression by bright light exposure in healthy men: relation to cortisol levels and morning exposure;Beck-Friis,1985
2. Serum melatonin in relation to clinical variables in patients with major depressive disorder and a hypothesis of a low melatonin syndrome;Beck-Friis;Acta Psychiatr Scand,1985
3. Differences in nocturnal melatonin secretion between melancholic depressed patients and control subjects;Brown;Am J Psychiatry,1985
4. A chronobiological study of melatonin and cortisol secretion in depressed subjects: Plasma melatonin, a biochemical marker in major depression;Claustrat;Biol Psychiatry,1984
5. A comparison of fluoxetine, imipramine, and placebo in patients with major depressive disorder;Cohn;J Clin Psychiatry,1985