@article{ref1,
title="Heat stress amongst outdoor manual workers in East Africa",
journal="East African medical journal",
year="1968",
author="Hall, S. A.",
volume="45",
number="5",
pages="351-357",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0012-835X",
doi="",
url="http://dx.doi.org/"
}