title: Case-control study of evening melatonin concentration in primary insomnia.
authors.affiliation: University Department of Psychiatry, Littelmore Hospital, Oxford.
authors.forename: M E
authors.initials: ME
authors.lastname: Attenburrow
authors.forename: B A
authors.initials: BA
authors.lastname: Dowling
authors.forename: A L
authors.initials: AL
authors.lastname: Sharpley
authors.forename: P J
authors.initials: PJ
authors.lastname: Cowen
mesh_terms: D000328:Adult; D000368:Aged; D016022:Case-Control Studies; D005260:Female; D006801:Humans; D008297:Male; D008550:Melatonin / Q000097:blood*; D008875:Middle Aged; D007319:Sleep Initiation and Maintenance Disorders / Q000097:blood / Q000209:etiology*
chemical_list: D008550:Melatonin