@inproceedings{inproceedingsb0b8c213,
title   = {Annual pattern of plasma concentrations of melatonin in woll and hairless ewe lambs under natural photoperiod in southeast Brazil and their relationship with estrous incidence},
author = {Coelho, Lia de Alencar and Rodrigues, P A and Nonaka, K O and Sasa, A. and Cipolla Neto, José},
year = {2002},
booktitle   = {European Pineal and Biological Rhythms Society Symposium}
}