@article{ref1,
title="Case-control study of the effect of mechanical trauma on the risk of herpes zoster",
journal="BMJ",
year="2004",
author="Thomas, S. L. and Wheeler, J. G. and Hall, Andrew J.",
volume="328",
number="7437",
pages="439-439",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-535X",
doi="10.1136/bmj.37991.511829.F7",
url="http://dx.doi.org/10.1136/bmj.37991.511829.F7"
}