@article{ref1,
title="A medical investigation of a Proto team disaster",
journal="Proceedings of the Mine Medical Officers' Association",
year="1975",
author="Froneman, J. C.",
volume="54",
number="420",
pages="44-45",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0026-4490",
doi="",
url="http://dx.doi.org/"
}