@article{ref1,
title="Letter: Speed limits and accidents",
journal="South African medical journal SAMJ",
year="1974",
author="Wilkinson, A. E.",
volume="48",
number="31",
pages="1323-1323",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-2469",
doi="",
url="http://dx.doi.org/"
}