@article{ref1,
title="Letter: Recovery after minor head injury",
journal="Lancet",
year="1975",
author="Lidvall, H. F.",
volume="1",
number="7898",
pages="100-100",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}