NowakRMcMillenICRedmanJShortRVThe correlation between serum and salivary melatonin concentrations and urinary 6-hydroxymelatonin sulphate excretion rates: Two non-invasive techniques for monitoring human circadian rhythmicity. Clin Endocrinol1987; 27: 445–52
3.
VakkuriODiurnal rhythm of melatonin in human saliva. Acta Physiol Scand1985; 124: 409–12
4.
WaldhauserFWalentichWEhrhartBThe physiological secretion of melatonin in man. In: TouitouYArendtJPevetP.Proceedings, Melatonin and the pineal gland: from basic science to clinical application. Satellite Symposium of the IXth International Congress of Endocrinology, Paris 6–9th September 1993.Amsterdam: Excerpta Medica, 1993: 331–8
5.
TilletYRavaultJ-PSelveCEvinGCastroBDuboisMPConditions d'utilisation d'anticorps specifiques pour la visualisation immunohistochimique de la Serotonine et de la melatonine dans la glande pineale de mouton. C R Acad Se Paris1986; 303: 77–83
6.
LewyAJMarkeySPAnalysis of melatonin in human plasma by gas chromatography negative chemical ionisation mass spectrometry. Science1978; 201: 741–3