@article{ref1,
title="Urban hypothermia. Number of excess deaths during winter is large",
journal="British medical journal: BMJ",
year="1996",
author="Sloan, D. S.",
volume="312",
number="7023",
pages="124-124",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}