Presence of melatonin in the umbilical cord blood of full-term human newborns.

Abstract

The present study was designed to determine whether melatonin circulates in the umbilical cord blood of healthy human newborns and whether the concentrations of this hormone follow a circadian rhythm at birth. Umbilical cord blood was collected from full-term human newborns at the time of delivery. Serum melatonin was extracted with diethylether and… (More)

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@article{Vicente1989PresenceOM, title={Presence of melatonin in the umbilical cord blood of full-term human newborns.}, author={Paulo Vicente and A. Garcia and Enrique Alvarez and S. Scotto di Clemente and Esther Jim{\'e}nez Bl{\'a}zquez}, journal={Journal of pineal research}, year={1989}, volume={6 2}, pages={135-40} }