@article{ref1,
title="Unexperienced hang gliders broke their arms. Too difficult training program as the cause",
journal="Lakartidningen",
year="1986",
author="Bjerregaard, I. and Jensen, H. V. and Pedersen, E. E.",
volume="83",
number="3",
pages="110-110",
abstract="<p>[Abstract unavailable]</p><p>Language: sv</p>",
language="sv",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}