European Journal of Endocrinology · 1998 · 28 citations · 32 references
The results indicate the existence of an imbalance in tryptophan metabolites in preterm infants and those with fetal distress, blunting the normal diurnal/nocturnal rhythm of both melatonin and kynurenines.
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Melatonin reduces nitric oxide synthase activity in rat hypothalamus
Ilham Bettahi, David Pozo, Carmen Osuna et al. · Journal of Pineal Research · 1996 · 211 citations
Melatonin: effects on brain function.
Fernando Antón‐Tay · PubMed · 1974 · 168 citations