title: Chronobiological theories of nonseasonal affective disorders and their implications for treatment.
authors.affiliation: Department of Biological Psychiatry, University Psychiatric Clinic, Groningen, The Netherlands.
authors.forename: R H
authors.initials: RH
authors.lastname: Van den Hoofdakker
mesh_terms: D002909:Chronobiology Phenomena; D002940:Circadian Rhythm; D005544:Forecasting; D006801:Humans; D008027:Light; D019964:Mood Disorders / Q000523:psychology / Q000628:therapy; D012890:Sleep; D014851:Wakefulness