@article{ref1,
title="Difficulties encountered in hospital falls prevention research",
journal="Age and ageing",
year="2005",
author="Haines, T. and Hill, Kenneth",
volume="34",
number="3",
pages="311-311",
abstract="Abstract unavailable.",
language="",
issn="0002-0729",
doi="10.1093/ageing/afi064",
url="http://dx.doi.org/10.1093/ageing/afi064"
}