Sauerbier, I Circadian variation of serotonin levels in human blood. [electronic resource] - Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme Mar 1976 - 157-8 p. digital Publication Type: Journal Article ISSN: 0018-5043 Standard No.: 10.1055/s-0028-1095603 doi Subjects--Topical Terms: Circadian RhythmHumansIntellectual Disability--bloodSerotonin--blood