@article{article74c523fc,
title   = {Seasonal changes on plasma melatonin levels in the fresh water teleost fish, Piaractus Mesopotamicus (Characiformes, Characidae)},
author = {Iseki, Katia Kiyomi and Negrão, João Alberto and Castrucci, Ana Maria de Lauro},
year = {2000},
doi = {10.1016/s1095-6433(00)80140-3},
journal   = {Comparative Biochemistry and Physiology}
}