@article{ref1,
title="Gonadal hormones and the differentiation of sexual and aggressive behavior and learning in the rat",
journal="Progress in brain research",
year="1978",
author="van de Poll, N. E. and de Bruin, J. P. and van Dis, H. and van Oyen, H. G.",
volume="48",
number=" ",
pages="309-325",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0079-6123",
doi="10.1016/S0079-6123(08)61031-6",
url="http://dx.doi.org/10.1016/S0079-6123(08)61031-6"
}