@article{ref1,
title="Colombian doctors are killed as their neutrality is ignored",
journal="British medical journal: BMJ",
year="2002",
author="Johnson, Owain",
volume="325",
number="7367",
pages="732-732",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}