@article{ref1,
title="The health hazards of volcanoes and geothermal areas",
journal="Occupational and environmental medicine",
year="2006",
author="Hansell, A. L. and Horwell, C. J. and Oppenheimer, C.",
volume="63",
number="2",
pages="149-56, 125",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1351-0711",
doi="10.1136/oem.2005.022459",
url="http://dx.doi.org/10.1136/oem.2005.022459"
}