@article{ref1,
title="Hazards to health. Mountain-climbing accidents in the United States",
journal="New England journal of medicine",
year="1963",
author="Ferris, B. G. Jr",
volume="268",
number="",
pages="430-431",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-4793",
doi="",
url="http://dx.doi.org/"
}