@article{ref1,
title="Estrous cycle fluctuations in aggressiveness of house mice",
journal="Hormones and behavior",
year="1977",
author="Hyde, J. and Sawyer, T. F.",
volume="9",
number="3",
pages="290-295",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-506X",
doi="",
url="http://dx.doi.org/"
}