@article{ref1,
title="Psychopathic delinquents",
journal="Diseases of the nervous system",
year="1953",
author="Newkirk, P. R.",
volume="14",
number="2",
pages="52-55",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0012-3714",
doi="",
url="http://dx.doi.org/"
}