@article{ref1,
title="Snowmachine related mortality and morbidity in Alaska: a comparison with non-motorized winter sport",
journal="Alaska medicine",
year="2000",
author="Propst, M. T. and Simonsen, B. L. and Tower, S. S.",
volume="42",
number="4",
pages="94-5, 100",
abstract="Abstract unavailable.",
language="",
issn="0002-4538",
doi="",
url="http://dx.doi.org/"
}