@article{ref1,
title="Global burden of disease",
journal="Lancet",
year="1997",
author="Roberts, I.",
volume="350",
number="9071",
pages="144-144",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="10.1016/S0140-6736(05)61850-8",
url="http://dx.doi.org/10.1016/S0140-6736(05)61850-8"
}