The ageing pineal gland and its physiolo
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Russel J. Reiter
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Article
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1992
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John Wiley and Sons
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English
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## Abstract Melatonin, the chief hormone of the pineal gland, is produced and secreted into the blood in a circadian manner with maximal production always occurring during the dark phase of the light dark cycle. Whereas the 24h rhythm of melatonin production is very robust in young animals includin