title: Do plasma melatonin concentrations decline with age?
authors.forename: G
authors.initials: G
authors.lastname: Cornélissen
authors.forename: F
authors.initials: F
authors.lastname: Halberg
authors.forename: N
authors.initials: N
authors.lastname: Burioka
authors.forename: F
authors.initials: F
authors.lastname: Perfetto
authors.forename: R
authors.initials: R
authors.lastname: Tarquini
authors.forename: E E
authors.initials: EE
authors.lastname: Bakken
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging / Q000097:blood*; D002940:Circadian Rhythm / Q000502:physiology*; D016001:Confidence Intervals; D005260:Female; D006801:Humans; D008297:Male; D008550:Melatonin / Q000096:biosynthesis / Q000097:blood*; D008875:Middle Aged; D011336:Probability; D012680:Sensitivity and Specificity
chemical_list: D008550:Melatonin