Magnusson, A Treatment of seasonal affective disorder with high-intensity light. A phototherapy study with an Icelandic group of patients. [electronic resource] - Journal of affective disorders Feb 1991 - 141-7 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0165-0327 Standard No.: 10.1016/0165-0327(91)90061-v doi Subjects--Topical Terms: AdultCircadian RhythmDepressive Disorder--psychologyFemaleHumansIcelandMaleMiddle AgedPersonality TestsPhototherapy--methodsSeasons