@article{ref1,
title="Hip fracture",
journal="New England journal of medicine",
year="1996",
author="Raaymakers, E. L.",
volume="335",
number="26",
pages="1995; author reply 1995-6",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-4793",
doi="",
url="http://dx.doi.org/"
}