@article{articlef8cf8b82,
title   = {Serotonin and n-acetylserotonin effects on pigment cells of the toad bufo ictericus: pharmacological characterization of melatonin receptors},
author = {Filadelfi, A M C and Castrucci, Ana Maria de Lauro},
year = {1996},
journal   = {General and Comparative Endocrinology}
}