@article{ref1,
title="Epidemiology of head injuries in Sweden",
journal="Acta neurochirurgica Supplement",
year="1986",
author="Nygren, A. and Tingvall, Claes and Gustafsson, H.",
volume="36",
number="",
pages="10-12",
abstract="The estimated number and cause of head injuries in Sweden are discussed. Head injuries are common in many activities and the need of head protection is stressed.<p /><p>Language: en</p>",
language="en",
issn="0065-1419",
doi="",
url="http://dx.doi.org/"
}