@article{ref1,
title="Letter from Peru. A country torn apart by violence",
journal="British medical journal: BMJ",
year="1993",
author="Veeken, H.",
volume="306",
number="6887",
pages="1263-1264",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}