@article{ref1,
title="External hip protectors to prevent osteoporotic hip fractures",
journal="Lancet",
year="1997",
author="Ekman, A. and Mallmin, H. and Michaëlsson, K. and Ljunghall, S.",
volume="350",
number="9077",
pages="563-564",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="10.1016/S0140-6736(05)63140-6",
url="http://dx.doi.org/10.1016/S0140-6736(05)63140-6"
}