@article{ref1,
title="Brain lesions in players of contact sports",
journal="Lancet",
year="1997",
author="Autti, T. and Sipilä, L. and Autti, H. and Salonen, O.",
volume="349",
number="9059",
pages="1144-1144",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}