@article{ref1,
title="Hormonal changes in response to competitive fighting in human males",
journal="Aggressive behavior",
year="1989",
author="Salvador, Alicia and Simon, Valerie and Suay, F and Canton, E",
volume="15",
number="1",
pages="114-115",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}