title: Do winter depressives experience summer nights in winter?
authors.forename: D G
authors.initials: DG
authors.lastname: Beersma
mesh_terms: D002940:Circadian Rhythm / Q000502:physiology*; D003866:Depressive Disorder / Q000209:etiology* / Q000628:therapy; D006801:Humans; D008027:Light; D009426:Netherlands; D010789:Phototherapy; D012621:Seasons