Oren, D A A controlled trial of levodopa plus carbidopa in the treatment of winter seasonal affective disorder: a test of the dopamine hypothesis. [electronic resource] - Journal of clinical psychopharmacology Jun 1994 - 196-200 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0271-0749 Subjects--Topical Terms: AdultCarbidopa--administration & dosageDopamine--physiologyDouble-Blind MethodDrug Administration ScheduleDrug Therapy, CombinationFemaleHumansLevodopa--administration & dosageMalePsychological TestsSeasonal Affective Disorder--diagnosis