@article{ref1,
title="Injury and attention deficit hyperactivity disorder",
journal="British medical journal: BMJ",
year="2008",
author="Zwi, Morris and Clamp, Philip",
volume="337",
number="",
pages="a2244-a2244",
abstract="The cause of attention deficit hyperactivity disorder (ADHD) is uncertain and has provoked considerable debate. The Department of Health in the United Kingdom is currently commissioning a systematic review of its causation. In the linked retrospective cohort study (doi: 10.1136/bmj.a1984), Keenan and colleagues examine the hypothesis that head injury in young children might be a causative factor in the development of ADHD.  <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="10.1136/bmj.a2244",
url="http://dx.doi.org/10.1136/bmj.a2244"
}