@article{ref1,
title="Injuries associated with hang gliding",
journal="JAMA journal of the American Medical Association",
year="1975",
author="Krissof, W. B. and Eiseman, B.",
volume="233",
number="2",
pages="158-160",
abstract="Abstract unavailable.",
language="",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}