title: Depressive disorders may more commonly be related to circadian phase delays rather than advances: time will tell.
authors.forename: Alfred J
authors.initials: AJ
authors.lastname: Lewy
mesh_terms: D002940:Circadian Rhythm / Q000502:physiology; D003866:Depressive Disorder / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D008550:Melatonin / Q000502:physiology; D020178:Sleep Disorders, Circadian Rhythm / Q000150:complications* / Q000503:physiopathology
chemical_list: D008550:Melatonin