title: Human circadian rhythms: lessons from the blind.
authors.forename: R L
authors.initials: RL
authors.lastname: Sack
authors.forename: A J
authors.initials: AJ
authors.lastname: Lewy
mesh_terms: D000818:Animals; D001683:Biological Clocks / Q000187:drug effects; D001766:Blindness / Q000503:physiopathology*; D002940:Circadian Rhythm / Q000187:drug effects / Q000502:physiology; D006801:Humans; D008027:Light; D008550:Melatonin / Q000627:therapeutic use; D012890:Sleep
chemical_list: D008550:Melatonin