@article{ref1,
title="Witness for the prosecution",
journal="South African medical journal SAMJ",
year="1992",
author="Winship, W. S. and Key, J. A. and Dawes, M. E.",
volume="81",
number="10",
pages="490-491",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0038-2469",
doi="",
url="http://dx.doi.org/"
}