title: Commentary: what does melatonin do and how does it do it?
authors.affiliation: Department of Biology, University of Virginia, Charlottesville 22906, USA.
authors.forename: M
authors.initials: M
authors.lastname: Menaker
mesh_terms: D000818:Animals; D002940:Circadian Rhythm / Q000502:physiology*; D006801:Humans; D008550:Melatonin / Q000502:physiology*; D017440:Photoperiod; D010786:Photoreceptor Cells / Q000502:physiology
chemical_list: D008550:Melatonin