1. AKISKAL H.S., JUDD L.L., GILLIN J.G., LEMMI H. - Subthreshold depressions: clinical and polysomnographic validation of dysthymic, residual and masked forms,J. Affect. Dis., 45, 53–63, 1997.
2. AMERICAN PSYCHIATRIC ASSOCIATION.Diagnostic and statistical manual of mental disorders (4th edition). American Psychiatric Association, Wahington D.C., 1994
3. ANSSEAU M., VON FRENCKELL R., FRANCK G., REYNOLDS C.F., KUPFER D.J. - Sommeil et depression: vers une standardisation de I’utilisation de la latence du sommeil paradoxal en tant que marqueur biologique de dépression majeure.Rev. EEG Neurophysiol Clin., 17,411–424, 1987.
4. ARMITAGE R., HOFFMANN R.F., FITCH T., TRIVEDI M., RUSH A.J. - Temporal characteristics of delta activity during NREM sleep in depressed outpatients and healthy adults: group and sex effects.Sleep, 23, 607–617, 2000.
5. ARMITAGE R., HUDSON A., TRIVEDI M., RUSH A.J. - Sex differences in the distribution of EEG frequencies during sleep: unipolar depressed outpatients.J. Affect. Dis., 34, 121–129, 1995.