@article{ref1,
title="Increased number of hip fractures",
journal="Lancet",
year="1999",
author="Schwab, M. and Röder, F. and Ammon, S. and Thon, K. P. and Mörike, K.",
volume="353",
number="9170",
pages="2160-2160",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="10.1016/S0140-6736(05)75600-2",
url="http://dx.doi.org/10.1016/S0140-6736(05)75600-2"
}