@article{ref1,
title="The 47, XYY syndrome in a boy with behavior problems and mental retardation",
journal="American journal of mental deficiency",
year="1970",
author="Parker, C. E. and Mavalwala, J. and Weise, P. and Koch, R. and Hatashita, A. and Cibilich, S.",
volume="74",
number="5",
pages="660-665",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9351",
doi="",
url="http://dx.doi.org/"
}