@article{ref1,
title="Controlled observations on patterns of activity, attention, and impulsivity in brain-damaged and psychiatrically disturbed boys",
journal="Psychological medicine",
year="1974",
author="Shaffer, D. and McNamara, N. and Pincus, J. H.",
volume="4",
number="1",
pages="4-18",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2917",
doi="",
url="http://dx.doi.org/"
}