@article{ref1,
title="2 Cases of subdural hematoma following head injury during boxing training",
journal="Polski Tygodnik Lekarski (Wars)",
year="1959",
author="Lechowski, S.",
volume="14",
number="9",
pages="394-396",
abstract="<p>[Abstract unavailable]</p> <p>Language: pl</p>",
language="pl",
issn="0860-8857",
doi="",
url="http://dx.doi.org/"
}