@inproceedings{inproceedingsd1527c40, title = {Circadian cycle of melatonin plasma concentrations in wool ewes in sasonal anestrus, under natural photoperiod in southeast of Brazil}, author = {Coelho, Lia de Alencar and Rodrigues, P A and Nonaka, K O and Cipolla Neto, José and Negrão, João Alberto and Vicente, W R R and Paiva, F A and Luchesi, M M and Gonçalvez, C}, year = {2001}, publisher = {FMRP/USP}, booktitle = {Congresso de Integração em Biologia da Reprodução} }