@article{ref1,
title="Walking across Antarctica",
journal="British medical journal: BMJ",
year="1993",
author="Godlee, F.",
volume="307",
number="6919",
pages="1599-1601",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}