Indole metabolism in the pineal gland: a circadian rhythm in N-acetyltransferase by D. C. Klein and J. L. Weller 2026-11-05
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Science169(3950),1093–1095(1970); DOI10.1126/science.169.3950.1093. Abstract: rat pineal enzyme activity more than15-fold higher at night; persistence in darkness/blinded animals, suppression by constant light; norepinephrine regulation in vitro.
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