@article{ref1,
title="Letter: Air gun",
journal="South African medical journal SAMJ",
year="1974",
author="Jooste, J. A.",
volume="48",
number="3",
pages="74-74",
abstract="<p>[Abstract unavailable]</p><p>Language: af</p>",
language="af",
issn="0038-2469",
doi="",
url="http://dx.doi.org/"
}