Kasper, S [Season-related forms of depression. II. Modification by phototherapy and biological results]. [electronic resource] - Der Nervenarzt Apr 1988 - 200-14 p. digital Publication Type: English Abstract; Journal Article; Review ISSN: 0028-2804 Subjects--Topical Terms: Depressive Disorder--physiopathologyHumansMelatonin--physiologyNeurotransmitter Agents--physiologyPhototherapySeasonsSyndrome