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Electroencephalography
Double-Blind Method
Polysomnography
Sleep
REM Sleep
Hydrocortisone
Adrenocorticotropic Hormone
Human Growth Hormone
Growth Hormone-Releasing Hormone
Prolactin
Growth Hormone
Plant Extracts
Sleep Stages
Major Depressive Disorder
Depressive Disorder
Depression
Hypericum
Psychiatric Status Rating Scales
Time Factors
Circadian Rhythm
Co-Publications
45
26
25
13
12
8
5
4
3
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