title: What constitutes a physiological concentration of melatonin?
authors.forename: Russel J
authors.initials: RJ
authors.lastname: Reiter
authors.forename: Dun-Xian
authors.initials: DX
authors.lastname: Tan
mesh_terms: D000818:Animals; D001646:Bile / Q000378:metabolism; D004141:Dinoflagellida / Q000378:metabolism; D006801:Humans; D008550:Melatonin / Q000097:blood / Q000134:cerebrospinal fluid / Q000378:metabolism*; D012441:Saccharomyces cerevisiae / Q000378:metabolism
chemical_list: D008550:Melatonin