@article{ref1,
title="Surveillance: to what end?",
journal="Injury prevention",
year="2009",
author="Johnston, Brian Duncan",
volume="15",
number="2",
pages="73-74",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1353-8047",
doi="10.1136/ip.2009.021790",
url="http://dx.doi.org/10.1136/ip.2009.021790"
}