@article{ref1,
title="Influence of road speed restrictions on the incidence and severity of head injuries",
journal="South African medical journal SAMJ",
year="1974",
author="Le Roux, C. J. and Rose-Innes, A. P.",
volume="48",
number="61",
pages="2548-2551",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-2469",
doi="",
url="http://dx.doi.org/"
}