@article{ref1,
title="Falling again",
journal="Lancet",
year="1997",
author="Johnston, S. and Hoult, S. and Chan, C. A.",
volume="349",
number="9044",
pages="26-26",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}