@article{articledf794b24,
title   = {Plasma testosterone and 11-ketotestoterone levels of male pacu Piaractus mesopotamicus (Cypriniformes, Characidae)},
author = {Gazola, R. and Borella, Maria Inês},
year = {1997},
doi = {10.1590/s0100-879x1997001200017},
journal   = {Brazilian Journal of Medical and Biological Research}
}