@article{ref1,
title="Prediction of burden of hip fracture",
journal="Lancet",
year="1999",
author="Martyn, C. N. and Cooper, Colin",
volume="353",
number="9155",
pages="769-770",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="10.1016/S0140-6736(98)00390-0",
url="http://dx.doi.org/10.1016/S0140-6736(98)00390-0"
}