@article{ref1,
title="Letter: Woodpeckers and head injury",
journal="Lancet",
year="1976",
author="May, P. R. and Fuster, J. M. and Newman, P. and Hirschman, A.",
volume="1",
number="7973",
pages="1347-1348",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}