@article{ref1,
title="Chromatin-positive and XYY boys in approved schools",
journal="Lancet",
year="1968",
author="Hunter, H.",
volume="1",
number="7546",
pages="816-816",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}